CDS || Elementary_Mathematics || Quadratic_Equation || Quiz

The sign of the quadratic polynomial ax² + bx + c is always positive if

A positive number, when increased by 10, equals 200 times its reciprocal. What is that number?

If the roots of the quadratic equation x² – 4x – log₁₀N = 0 are all real values, then the minimum value of N is:

If p & q are distinct prime number and x²-px+q=0 has positive real roots then find value of p & q?

If the equation  has equal roots, then what is the value of k?