Question

evaluate (√5+2√2)²-(√5-√8)²​

Answer 1

Answer:

8+2√10

Step-by-step explanation:

(√5+2√2)² - (√5-√8)²

(√5)²+(2√2)²+2(√5)(2√2) - {(√5)²+(√8)²-2(√5)(√8)}

5+8+4√10 - {5+8-2√40}

13 +4√10 - 13+4√10

4√10+4√10 = 2 ( 4+√10) = 8+2√10.

Answer 2

Answer:

answer is 8√10

answer given by last person is wrong

Step-by-step explanation:

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