Question 12 The number obtained on rationalising the denominator of 1√7−2 is A) √7+23 B) √7−23 C) √7+25 D) √7+245

Question 12 The number obtained on rationalising the denominator of 1�

1.	Question 12 The number obtained on rationalising the denominator of 1√7−2 is A) √7+23 B) √7−23 C) √7+25 D) √7+245
Answer» Question 12 The number obtained on rationalising the denominator of $\frac{1}{\sqrt{7} - 2}$ is A) $\frac{\sqrt{7} + 2}{3}$ B) $\frac{\sqrt{7} - 2}{3}$ C) $\frac{\sqrt{7} + 2}{5}$ D) $\frac{\sqrt{7} + 2}{45}$