If52x+1=25, then x=?
A
23
B
35
C
12
D
32
Correct Answer: 32
দেয়া আছে, (5)2x + 1 = 25⇒ (5)2x + 1 = 52 = (5)4⇒ 2x + 1 = 4⇒ 2x = 4 - 1 = 3.:. x = 32