21.
log [1-{1-(1-x2)-1}-]-1/2 can be written as
(a) log x²
(b)
log x
(c) log 1/x
(d)
none of these

In this please some one solve question number 21 the one starting with log !

21log 111x2112 can be written asa log xblog xc log 1xdnone of these In this please some one solve question number 21 the one starting with log class=

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