Question

a=l-m, b=m-n, c=n-l , then find the value of (x^a)^n (x^b)^l (x^c)^m

Answer 1

(x^a)^n (x^b)^l (x^c)^m=

x^an x^bl x^cm=(x)^an+bl+cm

=(x)^nl-nm+ml-nl+nm-ml

=x^0=1