Question

Lim x tends to 2 x^n+1-2^n+1/x-2 = 192 then n =?

Answer 1

Step-by-step explanation:

lim

x→2

x−2

x

n

−a

n

=80

⇒n.2

n−1

=80

⇒n.2

n−1

=5.2

5−1

⇒n=5