The value of (30−20)×52 is:
1
25
0
9
∵ For any number a ≠ 0, a0 = 1.
∴30=20=1 ⇒(30−20)×52=(1−1)×25 =0
Question 72 (d)
Find the value of (20+30+40)(40−30−20)
( 30 - 20 ) * 52 = ??