Solve it please. its from chapter Limits
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divide numerator and denominator by x-a
use formula (x^m-a^m)/(x-a)=ma^(m-1)
and use formula (x^n-a^n)/(x-a)=na^(n-1)
so from above two eqn and =(n/m)×a^(n-1-m+1)
=
use formula (x^m-a^m)/(x-a)=ma^(m-1)
and use formula (x^n-a^n)/(x-a)=na^(n-1)
so from above two eqn and =(n/m)×a^(n-1-m+1)
=
supkar766:
But you have used which formula?
its in the ans you can solve this by L'hopital rul too because it is 0/0 form
ok..thanks fr your help
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