If f : R → R is given by f(x) = (5 + x⁴)¹/⁴, then fοf(x) is _______
Notice that using formula we get (10 + x⁴)¹/⁴. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get (10 + x⁴)¹/⁴.
Ref: NCERT Mathematics Class XI and XII
