Gujarat BoardEnglish MediumSTD 9MathsNumber systems1 Mark
Question
Rationalize the denominator of $\frac{1}{{\sqrt 7 }}$
✓
Answer
$\frac{1}{{\sqrt 7 }}$ We need to multiply the numerator and denominator $\frac{1}{{\sqrt 7 }}$ by $\sqrt 7,to get \frac{1}{{\sqrt 7 }} \times \frac{{\sqrt 7 }}{{\sqrt 7 }} = \frac{{\sqrt 7 }}{7}$ Therefore, we conclude that on rationalizing the denominator $\frac{1}{{\sqrt 7 }}$ we get $\frac{{\sqrt 7 }}{7}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.