Question 6 (a) f(x)r4- 6x2 (b) f(г) — 2х4 — 523 — 2? — 6а + 4. (с) f(г) — 4гА — 23 + 5а2 — 2х — 6 (d) f(x)5+4x4 Use Descartes' Rule to determine the number of positive/negative real roots of 8х + 2. Зx? + х — 6.

Q: d. By experiment, guess or derivation, find real numbers r and s so that An+2 + ran+1+ san = 0,…

A: Given, an+2+ran+1+san=0 as x2+rx+s=0r=-6 and s=10∴x2-6x+10=0To find relation between 3 + i and…

Q: (a) Prove or disprove: U(8) ∼= Z4.(b) Prove or disprove: Z3 × Z3 ∼= Z9

A: Before we start, let's understand what we are trying to prove or disprove. In part (a), we are asked…

Q: (a) (2x2-7)+(5x2-3) 13. Simplify the following. Expand brackets as needed. (f) 4x(x³-r²+3) (b)…

A: Note that : Since you have posted multiple questions with multiple sub parts, we will provide the…

Q: Is the function below even, odd or neither. Give a reason. f(x) = 3x - 8x3³ %3D 2 Is the function…

A: 1-Given- fx=3x5-8x3 To Check- If the above function is even or odd function. Concept Used- To check,…

Q: 4x3 + 10x² +x – 9 4. Find (Make sure to show all your work.) (x + 2)²(x² + x + 1)*

A: Explanation of the solution is given below...

Q: b) x ³/4 + 2x c) 2x d) how I solved it but I'm not sure: (2³+ al = 2 4 a) x ³/4

A:

Q: Let P(x)=x³-2x²-11x+12 Show that x-c is a factor of P(x) if c=-3 of P(x) if c=-3- Use this fact to…

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Q: Select all the expressions that are equivalent to (3z + 2) (1 – 4) for all real values of x. A; 3z²…

A: We have to select the expressions that are equivalent to given function. This problem can be done…

Q: (2x²-5x) (x³+4)* 3. = In (5x-9)2 expressions]

A: ln m/n =ln m - ln n ln mn = ln m + ln n ln ab = b ln a

Q: Differentiate f(x) = (2x³-3x²-x)(7x - 5)² State your answer in factored form

A:

Q: 5х -4 f(x) = 6x2 + 7x- 3 Part 1 of 3 5х -4 f(x) = will not be a real number when the denominator is…

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Q: simplify: (1/(x-1))+(3/x)=1/(x(x-1))

A:

Q: X/x2-xy

A: First we try to cancel x^2.  We multiply x by x to get x^2. Then subtract it.

Q: Polynomials  (-3x2+6x3- 4 -x) / (2x+1) Never had this problem before???

A: Solving the problem by finding the quotient and remainder.