1.

If `ax^(3)-5x^(2)+x+` p is divisible by `x^(2)-3x+2`, then find the values of a and p .A. a = 2 , p = 2B. a = 2 , p = 3C. a = 1 , p = 3D. a = 1 , p = 2

Answer» Correct Answer - A
Let `f(x)=ax^(3)-5x^(2)+x+p`
Given , `f(x)` is divisible `x^(2)-3x+2`,i.e.,
`rArrf(x)` is divisible by `(x-1)and(x-2)`
`f(1)=0andf(2)=0rArra+p-4=0`
`rArra+p=4` (1)
`8a+p=18=0rArr8a+p=18` (2)
On solving Eqs. (1) and (2) , we get a = p = 2 .


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