" Q.2:- Derive the quadratic formula "

Derive the quadratic formula from the standard form (ax^(2)+bx+c=0) of a quadratic equation.

Solve Q.2 (i) of Exercise 4.1 by using the quadratic formula.

Derive th lens maker's formula.

Solve the following quadratic equation by applying the quadratic formula p^(2)x^(2)+(p^(2)-q^(2))x-q^(2)=0

Find the roots of the quadratic equations by using the quadratic formula in each of the following 2x^(2)-3x-5=0

Find the +roots of the quadratic equations by applying the quadratic formula. 2x^(2) - 7x+ 3 =0

Find the roots of the quadratic equations by applying the quadratic formula. 2x^(2)-7x+3=0

Find the roots of the quadratic equations by using the quadratic formula 1/2 x^(2)-sqrt(11)x+1=0

Find the roots of the quadratic equation by applying the quadratic formula. 2x^(2) + x - 4 = 0