Question

Find the value of p,if (x-2)is a factor of the polynomial x 3 -px 2 +12

Answer 1

X^3-px^2+12=0 We have given a factor (x-2) Vl put x=2 in given eq (2)^3-p(2)^2+12=0 8-4p+12=0 -4p=-20 P=5