Math, asked by bhavesh6573, 7 months ago

if x3+2x2+ax+b has factors x+1 and x-1 then find a,b

Answers

Answered by Anonymous
8

Answer:

f(1) and f(−a) both are equal to 0 by factor theorem.

∴ f(1)=1+2+a+b=0 and f(−a)=−a

3

+2a

2

−a

2

+b=0

∴ a+b=−3 and −a

3

+a

2

+b=0

Thus, on solving two equations we get, a=−1 and b=−2

hope this have helped you out

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Answered by stephen1067
0

Answer:

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Step-by-step explanation:

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tguuukddddddduccivfrgvjchlfydyyyhfffyflxyy

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