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
The maximum and minimum values of f (x) = x50-x20 in the interval [0, 1] are