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

The value of 1/{3+1/{2-1/{7/9}}}+17/22 is :

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

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 _____

If | (2x, -9), (-2, x) | = |(-4,8) , (1, -2)| , then value of x is

The value of ((1)/(sqrt(27)))^(2-((log_(5)16)/(2log_(5)9))) equal to :

If |{:(2,3,2),(x,x,x),(4,9,1):}|+3=0 then the value of x 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 curve x^2=9a(9-y) and x^2=a(y+1) intersect orthogonally then value of 'a' is

If cos A = (9)/(41) , find the value of (1)/(sin ^(2)A ) - cot ^(2) A