1.

If f:(0,∞)→(0,∞) satisfy f(xf(y))=x2y2(a∈R),then ∑nr=1−f(r)nCr is

Answer»

If f:(0,)(0,) satisfy

f(xf(y))=x2y2(aR),then

nr=1f(r)nCr is




Discussion

No Comment Found