Question

7. If one root of x2-3x+a is 1 then value of 'a' is:
(a) 2
(b)-2
(c)2
(d) (-4)​

Answer 1

I hope you understood and please follow me as I can help you in further doubts

Answer 2

Answer:

root means x=1

by putting value of x in x^2-3x+a

1^2-3(1)+a=0

-2+a=0

a=2