Question

5) The solution of (2x - 1)2 = 9 is equal to

d) 21
a) - 1
b) 2
c) - 1,2
d) None of these
6) The GCD of x2 - 2xy + y2​

Answer 1

Q5 d

Explanation:

(2x-1)2=9

4x-2=9

4x=9+2

4x=11

x=2.75

ans: none of these