Math, asked by Rangg4333, 6 hours ago

Rashnalize denominator root7-2/root7+2

Answers

Answered by Anonymous
1

7 - 2 = √7 - 2 x 7 - 2 = (√7 - 2)^2

√7 + 2 √7 + 2 √7 - 2 (√7)^2 - (2)^2

= 7 - 4√7 + 4 = 11 - 4√7

7 - 4 3

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