Show that f(x) = x* + 2x? + 5x +1 is irreducible over Q.

Q: The graph of f(x)= - x2-1 is concave up on interval (-1,1)^O (0,1) 0 (-1,0) U (1, 0 ).co (-∞, – 1)U…

A: Given, fx = xx2-1  We have to find the interval in which graph of  fx = xx2-1 is concave up.

Q: Is f(x)=2x+4 reducible over Z ニ

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Q: Find the Taylor polynomial of degree 2 centered at a=1 that approximates f(x)=ln(3x) P2(x)=

A: The general form of Taylor expansion of a function centered at a is, fx=∑n=0∞fnan!x-an The second…

Q: Show that F = ху, , zy) is not conservative. 2

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Q: Prove that (r) = tan(r) is uever negative in 0 <r< and show that g(x) = xsinr decreases…

A: We have to prove that f(x)=tanx is never negative in the interval 0,π2. We hence have to show that…

Q: Discuss separability of the polynomial <³ +2ײ+3 3 over Jh5

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Q: Show that : f(x) = x2 + x + 2 e Zg[x} is irreducible. Further, find the order of f (x).

A: Definition: 1. A polynomial f(x) ∈ ℤp[x] is said to be irreducible if and only if it has no root in…

Q: Use the Squeeze Theorem to show that f(x) = x² is in R[0, 3]. %3D

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Q: x*y"-xy'+y = 0 Y, = In x

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Q: ded on the y-axi

A: In this question, the concept of maxima and minima is applied. Maxima and Minima The extrema of a…

Q: Let f(x,y) = x - 2xy – y“. Compute f(3,0) and f(3, – 7).

A: To compute f(3,-7) Given:- f(x,y)=x2-2xy-y2

Q: Let g=yf(xy). Show that: - дд у ду дд - Х = g дх -

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Q: Let f(z) - 4z-1 pnd alz) - ar+b, where a pnd b are positive constants. If the composite

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Q: Prove that f(x) = [[sin²(2log r)– 3 sin ( 2logt)+2] dt %D 1. Cannot be decreasing any where,

A: To prove that f(x) can not be decreasing anywhere, where f(x) is defined as…

Q: Use Theorem 2 to show that 3, if x <-10 2, if – 10 sxso F:R → R,F(x) = -2, if 0< x< 10 -3, if x2 10…

A: so we have to show that given function is discontinuous at 2 and -2 (a)   Discontinuous  at -2…

Q: Show that the nth Maclaurin polynomial for f(x) = e* is Tn (x) = 1+ 2! n!

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Q: The inner-product function satisfies : Select one: a. = b. = 0 C. is greater then zero d. =

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Q: The interval on which f(x) = 3 – 2x – 12x² – x³ is | - concave down is: O (-4, 0) O (-∞, 4) O (4,…

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Q: x*y"-xy'+y = 0 c) Y, = In x

A: Let's find.

Q: Find ALL irreducible polynomials of degree 2 or 3 in Zr].

A: An irreducible polynomial is, roughly speaking, a polynomial that cannot be factored into the…

Q: Compute the Maclaurin polynomial of degree 4 for the function f(x)=cos(x) ln(1-x) for -1<x<1.

A:

Q: (d) Is f invertible? If so, what is f-?

A: f:ℝ→ℝ is defined as  fx=x1+x⇒fx=x1-x, x&lt;0x1+x, x≥0 f is both 1-1 and onto. Hence, f is…

Q: Find the Taylor polynomial Tz(x) of f(x) = In x at x=

A: Given:

Q: Use Euler’s Theorem to find the degree of homogeneity for f( x1 , x2) = x3 + y3 + 3xy2

A: We will use the Euler's theorem which is : x•fx + y•fy = nf  Where, n = degree of homogeneity    The…

Q: Consider the following. f(x) = x 4 1 4 1 3 - x2 %D - Find the critical numbers. (Enter your answers…

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Q: Determine the nth Taylor polynomial of f(x) = 1/x at x = 1.

A: We know that the Taylor series expansion of a function f(x) is given as: ∑n=0∞fnan!x-an where fna is…

Q: Assume that f(x) is a function such that f(x)dx = 6x² + 4x +c. Compute the integral — 5х — 3 - f (x)…

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Q: Consider the function f(x) = In(x) – arctan(2.x). 2 a. Determine all critical points in the domain…

A: We know that the critical points of a function are those points at which the first derivative is…

Q: Compute the least squares quadratic polynomial p2(x) which gives the best fit to e x over the…

A: We need to find two things, A least square quadratic polynomial p2(x) which gives the best fit to…

Q: Show that the Maclaurin polynomials for f (x) = ln(1 + x) are

A: The given function is fx=ln 1+x. fx=ln 1+x f0=0 f'x=11+x f'0=1 f''x=-11+x2 f''0=-1…

Q: what is the 5th order taylor polynomial for f(x) = sqrt of 1+x where x=0

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Q: Prove, if f(x)= V1+x² –In +1+ 1 is increasing and concave on x X E (0;+∞) .

A: f is increasing if first derivative is positive in the interval  and f has concave if second…

Q: Does there exist a polynomial of positive degree in Z6[x] that is a unit?

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Q: Sketch the graphs of f(x) = 1/(1 - x) and its first three Taylor polynomials at x = 0.

A: We have  f(x) = 11-x

Q: . Suppose that f is a polynomial of degree 1 and s1, is the linear spline that interpolates f at the…

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Q: The Taylor polynomial of degree 3 centered at x=0 of the function f defined by f(x)=sen(8x)+cos(9x?)…

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Q: Use the second Taylor polynomial P2(x)P2(x) for f(x)=x2+ln(1+x)f(x)=x2+ln⁡(1+x) about x0=0x0=0 and…

A: P2x=f0+f'0x-0+f''0x-02f(x)=x2+ln(1+x)f(0)=0f'(x)=2x+11+xf'(0)=1f"(x)=2-1(1+x)2f"(0)=2-1=1∴P2(x)=x+x2…

Q: b) Show that the function f(x) = x7 +1 is invertible %3D

A: Given that  f(x)=x^7+1

Q: Find the Taylor polynomial p2 for f(x) = cos(2x) at x = 5.

A: Given that f(x) = cos(2x) at x= π/8  Find the taylor polynomial p2 . Here i attached solution of…

Q: Suppose that f (0) = 2 and f' (x) ≤ 3 for x &gt; 0. Apply the MVT to the interval [0, 4] to prove…

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Q: Show that the function f(x) = x’ + 1 is invertible from R to R.

A: First prove that the  function is one -one  let f(x)=fyx7+1=y7+1x7=y7x=y therefore, the function is…

Q: Use the Second Fundamental Theorem of Calculus to find F '(x) F(x) |Vt4 + 1 dt -7

A: 2nd Fundamental Theorem : For F(x)=∫axf(t) dt, if f is continues on [a, x], then F'(x)=f(x).

Q: Q2 Suppose that f(x) = x* +2x +2 is a polynomial over the field (Z3, +3.3). Is f(x) irreducible over…

A: Just substitute all elements in Z3 in f(x) and check if something is zero.

Q: Let f (x) = x + ax +b. How many reducible polynomials of f(x) over Z, are there?

A: Given, fx=x2+ax+b, we have to find the number of the reducible polynomial of f(x) over Z2.

Q: 4. Expand f (x) = 1 around a = 0, to get linear, quadratic and - 1-x cubic approximations.

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Q: Show that the Maclaurin polynomials for f (x) = sin x are x2n+1 T2n+1 (x) = T2n+2 (x) = x – 3!…

A: we have to show that  Maclaurin polynomials for    f(x)=sinx  are…

Q: Let f(x) = x² In x, where x > 0. Show that f(x) has only one critical point.

A: Given data: The given function is f(x)=x2lnx. The critical point is the point where the slope of the…

Q: Find the degree 2 Taylor polynomial of f(x) = In(x+1) at a = 1. %3D In 2 - -(z – 1) – (2 – 1)? 4 4…

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