Question

find the value of k if x-1 is a factor of x2+2x+k

Answer 1

Answer:

nahi ata google karle aajayega

Answer 2

Answer:

$The \: root \: of \: x - 1 \: is \: 1. \\ Let \: p(x) = {x}^{2} + 2x + k \\ p(1) = 0 \\ p(1) = {1}^{2} + 2 \times 1 + k \\ 0 = 3 + k \\ - 3 = k$