Question

Simplify by rationalising the denominator
✓3 +✓2 by ✓3-✓2 - ✓3-✓2 by ✓3+✓2​

Answer 1

Step-by-step explanation:

$multiply \: and \: divide \: by \: \sqrt{3} + \sqrt{2} \div \sqrt{3} + \sqrt{2} \: on \: lhs$

So LHS = 17 Similarly ,RHS = -7/5

So. , 17 + 7/5 = 78/5

Answers are in shortcuts

After rationalising, use the formulas (a+b)² a²-b²