Question

Q.5: Find the value of k, if (-2)*+2 x (-2) = (-2)'​

Answer 1

$Correct option is</p><p></p><p>A</p><p></p><p>−6</p><p></p><p>Given polynomial is p(x)=x3+kx2+12x−8 and x−2 is a factor of the given polynomial.</p><p></p><p></p><p>So, by using factor theorem we can say that,</p><p></p><p>p(2)23+k(2)2+12(2)−88+4k+24−84kk=0=0=0=−24=−6</p><p></p><p>$