Question

Discriminant of lx2+mx+k=0 is________​

Answer 1

Answer:

• m² + 4lk

Step-by-step explanation:

Quadratic Equation: lx² + mx +k = 0

here, a= l, b= m, c= k

Discriminant (D)= b²+4ac

                         = m² + 4(l)(k)

                         =  m² + 4lk

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