" If "f(x+ay,x-ay)=" axy theq "f(x,y)=

If f(x+ay,x -ay) = axy then f(x,y) = ......

If f(x+ay,x-ay)=axy then f(x,y) is equal to

Let a, x, y, z be real numbers satisfying the equations ax+ay=z x+ay=z x+ay=az, where x, y, z are not all zero, then the number of the possible values of a is

Let a, x, y, z be real numbers satisfying the equations ax+ay=z x+ay=z x+ay=az, where x, y, z are not all zero, then the number of the possible values of a is

Which of the following is /are correct? (i) a^(x + y) = ax + ay " " (ii) (a^x)^(y) = ya^(x) (iii) a(x cdot y) = ax codt ay " " (iv) (a^x)/(a^y) = a^(x - y)

Find the value of 'A', if the function f at (x) = 0 is continuous when f(x) ={((1-cos Ay)/(y sin y)),(1/2):}, ((y ne 0),(y =0))

If A={(x,y):y^2=4ax}:B={(x,y):y^2=-4ax};c={(x,y):x^2=4ay}andD={(x,y):x^2=-4ay}. Find the number of points in AnnBnnCnnD.