avarylawson avarylawson

17-09-2020
Mathematics

contestada

if h(x) = 3x²–2x²+ Kx-5 is divided
by (x-1) The remainder is 5. What
is K?

PLEASE HELP RN PLEASE

Respuesta :

ShameckaLudlow11 ShameckaLudlow11

17-09-2020

Let f(x)=x3(exponent)+kx2(exponent)+x+5

When f(x) is divided by (x+2) the remainder is =3

This is the remainder theorem

so,f(−2)=−8+4k−2+5=3

4k=3+5=8

k=2

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