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CBSE Class 12-science Answered

If are defined as f(x) = log (1 + x) and g(x) = ex. Find fog(x) and gof(x).
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

We have, f(x) = log (1 + x) and g(x) = ex

gof(x) = g(f(x)) = g(log(1+x)) = elog(1+x) = 1 + x.
fog(x) = f(g(x)) = f(ex) = log(1 + ex).
Answered by | 04 Jun, 2014, 03:23: PM
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