3 years ago

How would i solve this

Mathematics

1 answer:

Brums [2.3K]3 years ago

5 0

Answer:

a = -24/5 b= 8

Step-by-step explanation:

look at the picture

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1. when the expression x^3+ 2kx+2 is divided by x+2, the remainder is less than the remainder when the expression is divided by

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Answer:

let the polynomial be

f(x)=x³+2kx+2

is divided by

g(x)=x+2

hence

(x+2) is a factor of f(x)

so comparing with x-a we get a=-2

f(a)=0

f(-2)=(-2)³+2*-2*k+2

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4k=-6

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g(x)=x+1

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f(-1)=-(1)³+2*-1*k+2

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0=1-2k

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The value of k is 1/2 when divided by x+1

and

K =-3/2 when divided by x+2

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2 years ago