5. Simplify to a C. Write answers in the form a + bi a, b eR (i) (3 – 5i)(3+ 5i) (k) (3 – i)? (1) (-2+3i)2

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Q: 5. Simplify to a C. Write answers in the form a + bi a, beR (m) (6- 5i)2 4+i (n) 3 – 2i 5+ 3i (o)…

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Q: 1S) Solve coax=co 2x over [0,27) in saiana!

A: Explanation: Given that,                            We use the identity of cos2x…

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A: Answer is below

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A: Consider the equation

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A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

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Q: 5łn(cosh(3+j6))

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A: 9. 2i-1242-i+2-i1+isimplify it in the form of a+bi 10. a)z3-27=0 b)z4-81=0 simplify it

Q: b) Im 1-7i 2+5i,

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A: Since you have posted multiple subparts, as per our policy we will answer first three subparts.…

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A: We have to proof

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A: We shall make use of the given triangle and basic facts from geometry and trigonometry.  Let us…

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A: Given a→=3i+j-k, b→=2i-j+k, c→=5i+3k 2a→+b→=2(3i+j-k)+(2i-j+k)          =6i+2j-2k+2i-j+k…

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Q: Consider the following definitions of imaginary numbers: x=4−2i y=6+7i z=5i Then, x+y−2z=?

A: We plug the given values in the expression x+y-2z

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