Find the value of n :

`7^( n - 7 ) = 1`

If n^(2)+(1)/(n^(2))=7 .Find the value of n+(1)/(n)

Find the value of n in each of the following: 8xx2^n^(+2)=32 (ii) 7^(2n)^(+1)-:49=7^3

Find the value of (3^(12+n)xx9^(2n-7))/(3^(5n))

If A is a square matrix such that A^(2)=A then find the value of (m+n) if (I+A)^(3)-7A=mI+nA. (Where m and n are Constants)

If A is a square Matrix such that A^(2)=A then find the value of (m+n) if (I+A)^(3)-7A=mI+nA. (Where m and n are Constants

If 6m-n=3m+7n , then find the value of (m^(2))/(n^(2))

If 9^(7)+7^(9) is divisible b 2^(n), then find the greatest value of n, wheren in N.

What is the value of a_(7) if a_(n)=1+(-1)^(n) ?

In the expansion of (1+x)^(n),7 th and 8th terms are equal.Find the value of (7/x+6)^(2)

Find he value of sum_(r=1)^(4n+7)backslash i^(r) where,i=sqrt(-1)