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Let f: R → R and g: R → R be two function such that fog(x) = sin x2 and gof(x) = sin2 x. find g(x) and g(x). |
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Answer» Given, (fog)(x) = sin x2 and (gof)(x) = sin2 x f(g(x)) = sin(x2) & g(f(x)) = (sin x)2 ...(1) Clearly, f(x) = sin x & g(x) = x2 satisfies both conditions of (1) So, f(x) = sin x and f(x) = x2 |
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