simplified form of 1/under root 5 + under root 2
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Answered by
0
Answer:
1/✓5+✓2
1/✓5+✓2 × ✓5-✓2/✓5-✓2
= ✓5-✓2/(✓5)^2-(✓2)^2
= ✓5-✓2/5-2
= ✓5-✓2/3
hope it helps you
Answered by
21
Answer:
1/√5+√2
by rationalising
1/√5+√2 ×√5-√2/√5-√2
= √5-√2/(√5)² -(√2)²
= √5-√2/ 3
identity used-
(a+b)(a-b) = a²-b²
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