Math, asked by sarahd13, 1 month ago

find the value for (7+√7) (7-√7)

Answers

Answered by harshul8757

0

Answer:

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Step-by-step explanation:

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Answered by priyanshipanchal2007

3

Answer:

We will use the identity : (a+b)(a-b) = a²-b²

(7+√7) (7-√7) = 7² - (√7)²

= 49 - 7

= 42

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