URGENT HELP

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PLEASE IF ANYONE CAN SOLVE THIS QUESTION OF MATHS P3

100/X SQAURE(10-X)
IT'S PARTIAL FRACTIONS..........PLEASE ...ITS URGENT. :)
 
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the cubic polynomial f(x) is such that the coefficient of x cube is -1 and the roots of the equation f(X) = 0 are 1 , 2 and k. Given that f (X) has a remainder of 8 divided by x-3, find

a) the value of k

b) the remainder when f(X) is divided by x + 3.
 
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question 2:
given that 4xpower four-12xcube- b square x square -7bx -2 is exactly divisible by 2x + b,

a) show that 3bcube +7bsquare -4=0

b) find the possible values of b.
 
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saimaiftikhar92 said:
the cubic polynomial f(x) is such that the coefficient of x cube is -1 and the roots of the equation f(X) = 0 are 1 , 2 and k. Given that f (X) has a remainder of 8 divided by x-3, find

a) the value of k

b) the remainder when f(X) is divided by x + 3.

I might have made some mistake so correct me if i am wrong.
 

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saimaiftikhar92 said:
question 2:
given that 4xpower four-12xcube- b square x square -7bx -2 is exactly divisible by 2x + b,

a) show that 3bcube +7bsquare -4=0

b) find the possible values of b.

Here:
 

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i)



ii)
 

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