Find à and b , if (x+1)and(x+2)are factors of x³+3x²-2ax+b.

1.	Find à and b , if (x+1)and(x+2)are factors of x³+3x²-2ax+b.
Answer» Let f(x) =\xa0x3\xa0+ 3x2\xa0− 2αx\xa0+\xa0β be the given polynomial from factor theorem, if (x+1) and (x+2) are factors of f(x) then f(-1) = 0 and f(-2) = 0

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