If the roots of a quadratic equations are real and equal, then `Delta` must be ………….. A)zero B)greater than zero C)less than zero D)equal to one

If the roots of a quadratic equation are real and equal, then Delta must be_______ a) 0 b)Less than 0 c)Greater than 0 d)1

Water potential is less than ‘zero’ when

Water potential is less than ‘zero’ when

If the discriminant of a quadratic equations is less than zero then find its roots.

If one root of a quadratic equation is zero, which one of the following is correct?

If the discriminant of a quadratic equation is less than zero then the roots of this equation are-

If the origin of coordinate system lies at the centre of mass, the sum of the moments of the masses of particles of the system about the centre of mass (A) may be greater than zero (B) may be less than zero (C) may be equal to zero (D) is always zero