The number of ordered pairs `(x,y)` , where `x`, `y in N` for which `4`, `x`, `y` are in `H.P.` , is equal to

The number of ordered pairs (x,y) where x in R,y in R, satisying equations x^(3)+y^(3)=7 and x^(2)+y^(2)+x+y+xy=4 is equal to

Total number of ordered pairs (x, y) satisfying |y| = cos x and y = sin^(-1)(sin x) where |x| le 3 pi, is equal to :

The number of ordered pairs (x, y) of real number satisfying 4x^2 - 4x + 2 = sin^2 y and x^2 + y^2 <= 3 equal to

The number of ordered pairs (x, y) of real number satisfying 4x^2 - 4x + 2 = sin^2 y and x^2 + y^2 <= 3 equal to

Total number of ordered pairs (x, y) satisfying |y| = cos x and y = sin^(-1) (sin x) where |x| leq3pi is equal to

The number of pairs (x, y) where x,y are integers satisfying the equation 21x + 48y = 5 is

The number of all possible ordered pairs (x,y) where x,y in I, satisfying both the equations hat sim(x^(2)+1)(y^(2)+1)=10 and (x+y)(xy-1)=3

Total number of ordered pairs (x,y) satisfying Iyl=cos x and y=sin^(-1)(sin x) where |x|<=3 pi is equal to

The total number of ordered pairs (x, y) satisfying |y|=cosx and y=sin^(-1)(sinx) , where x in [-2pi, 3pi] is equal to :