Question

Find the value of:
(i) $\frac{\sqrt{80}}{\sqrt{405}}$
(ii) $\frac{\sqrt{441}}{\sqrt{625}}$
(iii) $\frac{\sqrt{1587}}{\sqrt{1728}}$
(iv) $\sqrt{72}\times \sqrt{338}$
(v) $\sqrt{45}\times \sqrt{20}$

Answer 1

(i) We have:


(ii) Computing the square roots:


$\therefore$

(iii) We have:
(by dividing both numbers by 3)
Computing the square roots of the numerator and the denominator:


$\therefore$

(iv) We have:

=

(v) We have:


= 30