Question

simplify (√5-√2) (√5+√2) using identities​

Answer 1

Answer:

(√5-√2)(√5+√2) $= 5 - 2 = 3$

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Answer 2

Step-by-step explanation:

(root 5 - root 2)(root 5 + root 2)

= (root 5)^2 - (root 2)^2 [using a^2 - b^2 = (a + b)(a - b)]

= 5 - 2

= 3

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