Exemplar example problems I — task. Mathematics CBSE, Class 10.

UPSKILL MATH PLUS

Learn Mathematics through our AI based learning portal with the support of our Academic Experts!

1. Find the roots of the quadratic equation \(2x^2 - \sqrt{5}x - 2 = 0\) using the quadratic formula.

Answer:

The roots are

and

2. Find the roots of \(6x^2 - \sqrt{2}x - 2 = 0\) by the factorisation of the corresponding quadratic polynomial.

Answer:

The roots are

and

Answer variants:

- \frac{\sqrt{3}}{2}

\frac{\sqrt{3} + \sqrt{21}}{4}

- \frac{\sqrt{2}}{3}

\frac{\sqrt{3} - \sqrt{21}}{4}

\frac{\sqrt{5} + \sqrt{21}}{4}

\frac{\sqrt{5} - \sqrt{21}}{4}

\frac{\sqrt{2}}{3}

\frac{\sqrt{3}}{2}

Did you find an error?

14. Exemplar example problems I