1.

` log_(x-1)x*log_(x-2)(x-1)*...*log_(x-12)(x-11) = 2`,x is equal toA. 9B. 16C. 25D. none of these

Answer» Correct Answer - B
`log_((x-12)) x = 2`
` x = (x-12)^(2)`
` x ^(2) - 25_(x) + 144 = 0`
` x = 9, 16`
but ` x ne 9, x = 16`


Discussion

No Comment Found