The value of `1/9^-2` is

Let A=[[2,2],[9,4]] and I=[[1,0],[0,1]] then value of 10 A^(-1) is-

If |{:(2,3,2),(x,x,x),(4,9,1):}|+3=0 then the value of x is

If 1/(1!11!)+1/(3!9!)+1/(5!7!)=(2^n)/(m!) then the value of m + n is

The value of 9^(1//3)xx9^(1//9)xx9^(1//27)xx…… to oo is

The value of : tan^(-1) ( tan ""(9pi)/(8) ) is

If tangents drawn from the point (a ,2) to the hyperbola (x^2)/(16)-(y^2)/9=1 are perpendicular, then the value of a^2 is _____

If tangents drawn from the point (a ,2) to the hyperbola (x^2)/(16)-(y^2)/9=1 are perpendicular, then the value of a^2 is _____

Let P be minimum value of 9sin^2x+16cosec^2x and S be the minimum value of 16sin^2x+9cosec^2x then the value of (P+S)/2 is

If (7(x+9))/(4)-1=41, what is the value of x-9 ?

If x-1/x=9, find the value of x^2+1/(x^2)