1.

9z^2-6zy+y^2 Factories it by using identitie​

Answer»

Given :

kx² - kx + 1 = 0 is the equation.

The above equation has equal roots.

To find :

Appropriate VALUE of K.

Explanation :

As we KNOW that, for a QUADRATIC equations having equal roots, the D ( discriminant ) must be 0.

And, D = b² - 4ac

⇒ ( - k )² - 4 ( k )( 1 ) = 0

the pic's



Discussion

No Comment Found

Related InterviewSolutions