solve fourth question
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Answer:
(√5 - √2) (√5 + √2)
By using the identity of (a - b)(a + b)= a^2 - b^2
(√5)^2 - (√2)^2
5 - 2
3
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Answered by
2
(√5 -√2) (√5+√2)
=(√5)2 - (√2)2
=5 - 2
=3.
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