X + Y = XO2 + H2. X belongs to 14th group which of the following is X

In CuX_2 , X belongs to which group?

If x^2 - y^2 = 16 and x + y > x - y , then which one of the following could x - y equal ?

If x,y,z, are in A.P. and x^(2),y^(2),z^(2) are in H.P., then which of the following is correct ?

For integers x and y such that xy=14, which of the following is NOT a possible value of x ?

Draw th graph of y=-2x

g (x) (2)/(2x ^(3) -12 x ^(2) -14 x ) For Which of the following values of x is the function g (x) dewfined ?

Solution of the quadratic equation (3 |x| -3) ^(2) = |x| +7, which belongs to the domain of the function y = sqrt((x-4)x ) is :

Solution of the quadratic equation (3 |x| -3) ^(2) = |x| +7, which belongs to the domain of the function y = sqrt((x-4)x ) is :

A heavier element containously emits alpha -and beta -particles. The finally stable element may belong to: a. 14th group b. 16th group c. 10th group d. 12 th group