Question

Find the value of 'a' if when
$a {x}^{3} + 3 {x}^{2} - 13 {x}^{2} \: \: and \ \: \: 2x^{3} - 5x + a$are divided by
$x + 2$
leave the same remainder.​

Answer 1

Answer:

using remainder theorem

we get

R1=-8a+12-52

R1=8a-40

similarly

R2=-16+10

according to the question

we get

8a-40=-6

8a=34

a=34/8

ok

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