Math, asked by jatin6522, 3 days ago

If (x-2) is a common factor of x^3-4x^2+ax+b and x^3-ax^2-b-10 ,then the value of a nd b respectively​

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Answers

Answered by Lucky1287
1

Answer:

option (b) is the right answer

I am attaching you a picture of the solution

Hope it helps

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Answered by Bhagyashreekhemwani
0

let x-2 =0

x=2

first polynomial

p(x) = x³-4x²+ax+b

p(2) = 8-16+2a+b

= 2a+b =8 eq1

another polynomial

p(x) = x³-ax²-b-10

p(2) = 8-4a-b-10

= -2 =4a+b eq2

by elimination (sub both eq)

4a+b=(-2)

2a+b=8

2a =(-10)

a=(-5)

put in eq1

-10 +b =8

b= 18

hope answer is correct

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