Math, asked by thrishanth, 1 year ago

4+3√5/4-3√5 rationalize the denominator

Answers

Answered by Anonymous
22
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4 + 3√5 / 4 - 3√5

= ( 4 + 3√5 / 4 - 3√5 ) × ( 4 + 3√5 / 4 + 3√5)

= ( 4 + 3√5)^2 / (4)^2 - (3√5)^2

= (4)^2 + (3√5)^2 + 2*4*3√5 / 16 - 45

= 16 + 45 + 24√5 / - 29

= 61 + 24√5 / -29
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