Question

-Mathematics
A quadratic equation whose one root is 3 is
(a) x2 -6x-5-0
(b) x2 +6x-5=0
(c) x2 -5x-6=0
(d) x2 -5x+6=0​

Answer 1

Answer:

D) on putting x=3 the equation becomes 0 which means 3 is the root of given equation