1.

`(yz)^(log y - log z) xx (zx) ^(log z - log x) xx (xy) ^(log x - log y)` बराबर हैA. 2B. 1C. 4D. 3

Answer» Correct Answer - B
माना `k = (yz)^(log y - log z)`
` (zx)^(log z - log x )*(xy)^(log x - log y)`
` rArr log k = log (yz)^(log y - log z)`
`+ log (zx) ^(log z - log x)+log (xy)^(log x - log y)`
` = (log y - log z) (log y + log z)`
` + (log z - log x) xx(log z + logx)`
` + (log x - log y) (log x + log y)`
` = (log y)^(2) - (log z)^(2) + log (z)^(2)`
` - (log x)^(2) + (log x)^(2) - (log y)^(2)`
` = 0 rArr log k =0 rArr k = 1`


Discussion

No Comment Found

Related InterviewSolutions