If `lim_(xrarr2)(x^n-2^n)/(x-2)=80`and if `n in N`,find the value of n.

If n(A)=2,then find the value of n(P(A))

if lim_(xrarra)f(x)=l , lim_(xrarra)g(x)=m lim_(xrarra)h(x)=n ,find the values of lim_(xrarra){f(x)g(x)h(x)}

if lim_(xrarra)f(x)=l , lim_(xrarra)g(x)=m lim_(xrarra)h(x)=n ,find the values of lim_(xrarra)root(3)f(x)

Find the value of .^(n-1)C_(n-1)

If .^(m+n)P_2=72 and .^(m-n)P_2=6 ,then find the values of m and n.

Find the value of n if |_n =|_(n-1)

If three successive coefficients in the expansion of (1 + x)^n are 220, 495 and 792 respectively, find the value of n

Find the value of n if ""^nC_(n-1)=5 .

Evaluate the limits: lim_(xrarr2)(x^2-3x+2)/(x^2+x-6)

Find the value of n if ^nP_5=42^nP_3,n>4