The equation `x^5- 2x^2 + 7 = 0` has

The equation 5x^(2) + 2x + 8 = 0 has…

2x^(2) + 3x - alpha - 0 " has roots "-2 and beta " while the equation "x^(2) - 3mx + 2m^(2) = 0 " has both roots positive, where " alpha gt 0 and beta gt 0. The equation |1-x|+ x^(2) = 5 has

The equation |x|^(2) -|x|-6 = 0 has

The equation 2x + 5y = 7 has a unique solution, if x, y are :

The equation x^(4) -7x + 2=0 has

The linear equation 2x - 5y = 7 has

Find the discriminant of the following quadratic equation : 2x^2 + 5x + 7 = 0

Let [t] denote the greatest integer st. Then the equation in x,[x]^2+2[x+2]-7=0 has :