Let z be a complex number. Then cos(32)-i is unbounded in C. * False True

Q: Let z be a non-zero complex number. Then Log(z²) = 2Logz O if -n/2<Arg(z)<0 O if -TSArg(z)<0 for all…

A: For Real number we have Log(x2)=2Log (x) but for complex number z the equality is not true . For…

Q: Let z be a non-zero complex number. Then Log(z²) = 2Logz O None of these O if OSArg(z)<T/2 O if…

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Q: The set of all complex numbers is denoted by C={x+iy:x,yER} ylgn O ihi O

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Q: 1. ________ Theorem states that if z = r(cos θ + i sin θ) is a complex number and n is a positive…

A: Given: 1. ________ Theorem states that if z=rcos θ+i sin θ is a complex number and n is a positive…

Q: If z,,z, are two complex numbers then: ||z.|-|z2||>|z,-z z. +z_ s z +z]. z +z_ = z +/z

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Q: express  in the form z = x +yi the complex number z whose modulus and argument are given.  |z| =…

A: z= x+iyz=12,    arg(2) =-π3modulus of z =z = x2+y2 =12⇒x2+y2 =12     -(i)

Q: Rewrite the complex number 3(cos 3.5 + i sin 3.5) in a + bi form a = b =

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Q: A if z, and z, are complex numbers Z2 Show that ()= Z 22

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Q: 2. If a and b are complex numbers, and z is a complex number that obeys |z| = 1, show that az + b =…

A: Given that a,b and z all are complex numbers.   let, a=c+idb=r+is  and z=x+iy, where c,d,r,s,x,y all…

Q: Let z be a complex number. Then sin(3z)-i is bounded in C. * O False O True

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Q: 3. How may the following complex numbers be obtained from z = x + iy geometrically? Sketch. а. 2 b.…

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Q: Let z be a non-zero complex number. Then Log(z²) = 2Logz ) None of these O if OSArg(z)ST/2 O if…

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Q: Let z be a non-zero complex number. Then Log(z²) = 2Logz %3D O if -nsArg(z)s0 O None of these O if…

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Q: Let z be a complex number. Then cos(3z)-i is unbounded in C. * False O True

A: From Liovilles thm we can say Every non constant entire function is unbounded.

Q: Let z be a complex number. Then Im(-iz+1)= * O =liz-1| O None of these Ozliz-1| Sliz-1|

A: The last option is correct.

Q: Show that if z1 and z2 are complex numbers, then zi + z2 = Zī + Z2.

A: Suppose the two complex numbers are z1 and z2 such that where a,c are real parts and b,d are…

Q: Let z be a non-zero complex number. Then Log(z²) = 2Logz O if -T/2<Arg(z)<0 O if OsArg(z)sTI None of…

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Q: If z=3-4i then express these following complex numbers in the form of a+ib: (a) (=+1)(=+i) 2z (b)

A: If z = a + ib and w = c + id then z+w = (a+ib) + (c+id)       = (a+c) + i(b+d)

Q: 6. Find the following complex numbers in the form r+ iy, whe and y are real. (i) (3+7i) + (6 – 10i)…

A: we have to find complex numbers in the form of x + i y  Adding real part with real part and…

Q: Express the following complex numbers in the form a + bi, a. 5(cos 0° + i sin 0º) b. 2(cos 30° + i…

A: A complex number is of the form a+ib  where,   real part is a and,  b is imaginary part of the…

Q: The roots of the complex number z = (2)¹/2 is Wo = √2 [cos+ i sin], w₁ = √2 [cos+ i sin true false

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Q: Let C be a fixed nonzero complex number and note that i is a multiple valued, what restriction must…

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Q: Given that Z1 and Z2 are complex numbers, show geometrically or otherwise that |Z1| - |Z2| is less…

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Q: If z1, Z2, Z3 are complex numbers such that |z| = |z2| = |Z3| = %3D 1 1 = 1, then |z, +z, + z,| iS

A: Introduction :

Q: Let z be a non-zero complex number. Then Log(z) = 2Logz %3! for all complex numbers if OsArg(z)sT/2…

A: By arguments written in step 2

Q: Let a be a complex number with 0 < |a| < 1. Then the set |z – al < |1 – āz| is: (a) a square with…

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Q: The polar form of the complex number –3/3 + 3i is 6(cos(150°) + isen(150°)) 6(cos(300°) +…

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Q: z=x+i y geometricaly ?

A: Given: a) z¯ b) -z c) 1z To find: The complex number obtained from geometrically.

Q: Z is a complex number

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Q: Let z be a complex number. Then the solution(s) of sinhz2+coshz=1/e is (are) * O z=2nni-1 where n is…

A: Solution:

Q: C. Find all complex numbers z of the form 2=x+y such that that zz = 25 and *+y = 7.

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Q: Let z be a non-zero complex number. Then Log(z²) = 2Logz O if OSArg(z)STM O if -nSArg(z)0 O None of…

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Q: Find all complex numbers z satisfying the equation 2|=|* + =' -5+iV3 =0.

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Q: Let z be a complex number. Then Im(-iz+1)= * O =liz-1| None of these O 2liz-1| <liz-1|

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Q: Let z be a complex number satisfying 12|z|² = 2|z + 2|² + |z² + 1|² + 31. What is the value of z +-?…

A: Given that Let z be a complex number satisfying  12z2=2z+22+z2+12+31 To find the value of z+6z

Q: 2. Write the complex number 3 + 5i 5 - 3i in the form a + bi.

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Q: Derive the formula for the cos-1(z), where z is a complex number.

A: With the current notation of the question, the question probably wants us to derive a formula for…

Q: Let z be a complex number .then e^(3z+i) is bounded over the set of complex numbers?

A: Let z is a complex number. Let f(z) = e(3z+i)  Let us assume that f(z) is bounded. Hence f(z) is an…

Q: A. Express the following complex numbers in standard form. 1. z = 0 + 2.1=-2+4 2

A: Introduction: There are many different representations of a complex number. But, the standard…

Q: z = r(cos 0+isin 0).

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Q: Let z be a complex number. Then sin(3z)-i is bounded in C. * O True O False

A: Assume sin3z is bounded. We know that sin3z is analytic on C, that is sin3z is an entire function.…

Q: Let z be a non-zero complex number. Then Log(z²) = 2Logz None of these if OSArg(z)sr/2 O if…

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Q: Let z be a non-zero complex number. Then Log(z²) = 2Logz O if OsArg(z)sn O if -T/2<Arg(z)s0 for all…

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Q: 2. What is the standard form of the complex number –13.5(cos() + i sin())?

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Q: Let z be a complex number. Then e32+ is bounded over the set of complex numbers. a. True b. False

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Q: Suppose a complex number z satisfies the equation (1+ 2z)³ = eiª (1 – 22)³, for some a E (T, 27).…

A: Given equation is 1+2z3=eiα1-2z3 where α∈π,2π

Q: Let z be a non-zero complex number. Then Log(z²) = 2Logz O if -TSArg(z)<0 O None of these O for all…

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Q: Let z be a complex number. Then sinh(2z)-i is bounded in C. * False True

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Q: Let z be a non-zero complex number. Then Log(z²) = 2Logz for all complex numbers None of these if…

A: Given log(z2)=2log(z)

Q: If a is a complex number such th equation az²+z+1=0 has one p

A: