Question

If f:R→R is given by f(x)=(5+x4)1/4, then fοf(x) is

Options :

  1. x

  2. 10+x⁴

  3. 5+x⁴

  4. (10+x⁴)¹/⁴

Show Answer

Answer :

(10+x⁴)¹/⁴

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