Question

Rationalize root 7plus root 5 divided by root 7 minus root 5

Answer 1

Answer:

hope it was helpful.............

Answer 2

Answer:

1

Step-by-step explanation:

rationalising factor is

$\sqrt{7} - \sqrt{5}$

$\sqrt{7} + \sqrt{5} \div \sqrt{7} - \sqrt{5} \times \sqrt{7} - \sqrt{5} \div \sqrt{7} - \sqrt{5}$

=

$(\sqrt{7} - \sqrt{5} ) {}^{2} \div (\sqrt{7} + \sqrt{5} ) {}^{2}$

=1