1
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

If log7 5 = a, log5 3 = b and log3 2 = c, then the logarithm of the number 70 to the base 225 is

A
$${{1 - a + abc} \over {2a(1 + b)}}$$
B
$${{1 - a - abc} \over {2a(1 + b)}}$$
C
$${{1 + a - abc} \over {2a(1 + b)}}$$
D
$${{1 + a + abc} \over {2a(1 + b)}}$$
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