[" If "a" and "x" are positive integers such that "x

If "x" and "y" are positive integers such that x^(3)-y^(3)=xy+61 ,then find the value of (x+y)

If x and y are positive integers such that 1994=(x+y)^(2)+3x+y, find y.

If x,y and z are positive integers such that x < y < z and x + y + z = 6 , then what is the value of z?

If x and y are positive integers such that, xy+x+y=71,x^2 y+xy^2=880 , then x^2+y^2 =

If x and y are positive integers such that, xy+x+y=71,x^2 y+xy^2=880, then x^2+y^2=

If x and y are positive integers such that,xy+x+y=71,x^(2)y+xy^(2)=880,thenx^(2)+y^(2)=

Let x and y be positive integers such that x is prime and y is composite. Which of the following statements are correct ? 1 (y-x) can be an even integer 2 xy can be an even integer 3 0.5 (x+y) can be an even integer Select the correct answer using the code given below:

The number of pairs (x,y) of positive integers such that sqrt(x)+sqrt(y)=sqrt(1980)

Prove that if x and y are odd positive integers , then x^2 +y^2 is even but not divisible by 4.