Question

Find the values of k for which the quadratic equation (k+1) x2 – 2(k -1) x + 1 = 0 has real and equal roots

Answer 1

${b }^{2} - 4ac = 0$

this is the formula of 0 is equal real roots. this is also called a Nature of roots..

Step-by-step explanation:

we also knows as standard form of

${ax}^{2} + bx + c = 0$

then apply ..

${b}^{2} - 4ac = 0$