1
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

If $${\log _5}{{(a + b)} \over 3} = {{{{\log }_5}a + {{\log }_5}b} \over 2}$$, then $${{{a^4} + {b^4}} \over {{a^2}{b^2}}}$$ is equal to

A
50
B
47
C
44
D
53
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