Q. 53.7( 49 Votes )

# Sum of the roots of a quadratic equation is double their product. Find k if equation is

x^{2} – 4kx + k + 3 = 0

Answer :

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Solve the following quadratic equation.

m^{2} + 5m + 5 = 0

Attempt of the following sub questions:

Solve the following quadratic equation by using formula method:

7y^{2} – 5y – 2 = 0

Attempt of the following sub questions:

Find the sum of all numbers from 50 to 250 which divisible by 6 and find t_{13}.

Attempt of the following question:

Solve the following quadratic equation by using formula method :

5m^{2} + 5m – 1 = 0

Solve the following quadratic equation.

MHB - Mathematics Part-1

Attempt any four subquestions from the following:

For the quadratic equation 3x^{2} + 2x-1 = 0, find the value of the discriminant.

Solve the following quadratic equation.

(2x + 3)^{2} = 25

Solve the following quadratic equation.

x^{2} – 4x – 3 = 0

Solve the following quadratic equation.

5m^{2} + 2m + 1 = 0

Attempt of the following sub questions:

Solve: