Neha Tyagi and Amit Rastogi Solutions for Chapter: Quadratic Equations, Exercise 3: Exercise

Find the roots of the quadratic equations by using the quadratic formula in each of the following 

$x^2+2\sqrt{2}x-6=0$

Find the roots of the quadratic equations by using the quadratic formula in each of the following 

$x^2-3\sqrt{5}x+10=0$

Find the roots of the quadratic equations by using the quadratic formula in each of the following 

$\frac{1}{2}{x}^2-\sqrt{11}x+1=0$

Find the roots of the following quadratic equations by the factorisation method.

$2x^2+\frac{5}{3}x-2=0$

Find the roots of the following quadratic equations by the factorisation method.

$\frac{2}{5}{x}^2-x-\frac{3}{5}=0$

Find the roots of the following quadratic equations by the factorisation method.

$3\sqrt{2}{x}^2-5x-2=0$

Find the roots of the following quadratic equations by the factorisation method.

$3x^2+5\sqrt{5}x-10=0$

Find the roots of the following quadratic equations by the factorisation method.

$21x^2-2x+\frac{1}{21}=0$