Question
If f: R → R ,g : R → R and h: R → R are such that f(x) = x2 , g(x) = tan x and h (x) = log x, then the value of (ho (gof)) (x)
if x =√π4 will be
if x =√π4 will be
Answer: Option A
:
A
(ho(gof))(x)=h{g{f(x)}}
=h{tanx2}=log{tanx2}
∴Atx=√π4⇒(ho(gof))(x)=logtanπ4
= log 1 = 0
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:
A
(ho(gof))(x)=h{g{f(x)}}
=h{tanx2}=log{tanx2}
∴Atx=√π4⇒(ho(gof))(x)=logtanπ4
= log 1 = 0
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