The value of 3log2 + log25 - 1/2log36 – log1/30
(A) O (B) 1 (C) 2(D) 3
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Given 2 log 2+ log 5 -1/2 log 36 - log (1 / 30)
⇒ log 22 + log 5 - log (62)(1/2) - log (30)-1 [ ∴ Log a + log b = log ab ]
⇒ log 4x5 - log 6 + log 30 [∴b log a = log ab ]
⇒ log 20 x 30 - log 6 [ ∴ Log a - log b = loge a / b ]
⇒ log 600 / 6
⇒ log 100
⇒ log 102
⇒ 2 log 10 = 2 x 1 = 2 (Ans-c)
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