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Let f(x)=x^2 and g(x)=2^x . Then the sol...

Let `f(x)=x^2` and `g(x)=2^x` . Then the solution set of the equation `fog(x)=gof(x)` is `R` (b) {0} (c) {0, 2} (d) none of these

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Given `f(x)=x^2` and `g(x)=2^x `
So,
`f(g(x))={g(x)}^2`
`f(g(x))={2^x}^2=2^(2x)`
And,
`g(f(x))=2^(f(x))` ...
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