Question

1

Answer 1

Answer:

(x- 4)(x-4) =0

either,

(x-4 )=0

or, x=+4

Or,

x-4 )=0

or, x=+4

Hence, the answer is c i.e 4

Answer 2

(x-4)(x-4)= 0

x-4= 0 , x-4= 0

x-4+4= 0+4 , x-4+4= 0

x= 4 , x= 4

Answer is x= 4 (C.)