Question

. Which of the following equation has 2 as a root?
a) x2
-4x+5=0 b)x2+3x-12=0 c)2x2
-7x+6=0 d)3x2
-6x-2=0

Answer 1

Answer:

answer is c option

(c)

p(x)=2x2-7x+6=0

p(2)=2(2)^2-7(2)+6=0

=8-14+6

-6+6=0

0=0