Question

6. If log 30 3 = x, log 30 5 = y, then log 30 8 =
(a) 3 (1 - x - y)
(b) x - y + 1
(c) 1-X-Y
(d) 2 (x - y +1)
$log_{30}3$
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Answer 1

Hi mate

the correct answer is

a) 3(1-×-y)

Hope it's helpful...