Math, asked by harshiarasu2904, 2 months ago

7+3√5 by 7-3√5 rationalize

Answers

Answered by anitgang2004

1

Answer:

(7+3√5) / (7-3√5)

= (7+3√5) x (7-3√5)/ (7-3√5)x(7-3√5)

= (49- (3√5)²)/ (7-3√5)²

= (49-45)/(49- 42√5 + 45)

= 4 / 94-42√5 Ans.

Hope this helps ☺️

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