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Let `f,g: RvecR`be two functions defined as `f(x)=|x|+x`and `g(x)=|x|-x`, for all `xRdot`Then find fog and gof. |
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Answer» Here, `f(x) = |x|+x` and `g(x) = |x|-x` `:.fog = f(g(x))` `=>fog = f(|x|-x)` `=>fog = ||x|-x|+|x|-x` Now, `gof = g(f(x)` `=>gof = g(|x|+x)` `=>gof = ||x|+x|-|x|-x` |
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