Math, asked by jiyaaalobo, 9 months ago

If on dividing (4x^2 – 3kx + 5) by (x + 2), the remainder is -3 then the value of k is

Answers

Answered by Dynamicarmies
11

Answer:

k = 3

Step-by-step explanation:

on dividing (4x^2 – 3kx + 5) by (x + 2), the remainder is -3

by using remainder thearom

(x + 2) = 0

x = -2

put the value of x in f(x) =  (4x^2 – 3kx + 5)

f(-2) = 4(-2)^2 - 3k(-2) + 5 = -3

16 + 6k + 5 = -3

6k = 18

k = 3

Answered by prathana06
0

Answer:

21/6

Step-by-step explanation:

4(-2)2-3k(-2)+5

16-6k+5

-6k=-21

k= -21/-6

k=21/6

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