যদি (64)2/3 + (625)1/2 =3K হয় তবে K এর মান-

যদি (64)^2/3 + (625)^1/2 =3K হয় তবে K এর মান-

A 9(2/3)

B 11(1/3)

C 12(2/5)

D 13(2/3)

Correct Answer: Option D

(64)^2/3 + (625)^1/2=3K
or,(4³)^2/3 + (25²)^1/2=3K
or,4 ^(2×3)/3 +25 ^(1×2)/2=3K
or,4²+25=3K
or,16+25=3K
or,41=3K
or,K=41/3
∴ K=13(2/3)