simplyfy each of the following expression c. (√5+√2)^2
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Step-by-step explanation:
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Answer:
7 + 2√10
Step-by-step explanation:
(√5+√2)^2
(a+b)^2 = a^2 +b^2 + 2ab
= (√5)^2 +(√2)^2 + 2 (√5)(√2)
= 5 + 2 + 2 √5 * 2
= 7 + 2√10
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