Question

(Root5+root2)(root5+root2)​

Answer 1

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Answer:

5+ 2(1+√10)

Step-by-step explanation:

(√5+√2)(√5+√2)

we know the formula (a+b)(a+b) = (a+b)^2 = a^2 + b^2 + 2ab

so, (√5)^2 + (√2)^2 + 2(√5)(√2)

= 5 + 2 + 2√10

= 5+ 2(1+√10)

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