Math, asked by gitanjaliengle, 3 months ago

the value of (2+√2)(2-√2) is : 1)-2/5
2)-5/2
3)2/5
4)5/2

Answers

Answered by yatishpatra4540

1

Step-by-step explanation:

(2+√2)(2-√2)

= 2(2-√2)+√2(2-√2)

= 4 - 2√2 + 2√2 - (√2)²

= 4 - 2 = 2.

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