( under root 5 minus under root 2)( under root 5 + under root 2)
Answers
Answered by
3
Answer:
3
Step-by-step explanation:
(√5 -√2)(√5+√2)
Identity = (√a+√b)(√a-√b)=a-b
5-2=3
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Answered by
1
Answer:
3
Step-by-step explanation:
using a^2-b^2
(5^1/2-2^1/2)(5^1/2+2^1/2)
= 5 - 2
=3
a^2-b^2= (a+b)(a-b)
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