rationalise the denominator of the following 30/5√3-3√5
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Answered by
11
Hi pupil here's your answer ::
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Answered by
5
Hey mate...
Here is your answer :
QUESTION ==
30/5√3-3√5
ANSWER ==
30/5under root 3-3under root 5×5under root 3+3under root 5/5×under root 3+3 under root 5
=30×(5 under root 3 +3 under root 5) /(5 under root 3 - 3 under root 5) ²
=30 ×(5under root 3 +3 under root 5) /5×3-3 ×5
=30 ×(5 under root 3 +3 under root 5) /15-15
=150 under root 3 +90 under root 5
I hope it will help you
Here is your answer :
QUESTION ==
30/5√3-3√5
ANSWER ==
30/5under root 3-3under root 5×5under root 3+3under root 5/5×under root 3+3 under root 5
=30×(5 under root 3 +3 under root 5) /(5 under root 3 - 3 under root 5) ²
=30 ×(5under root 3 +3 under root 5) /5×3-3 ×5
=30 ×(5 under root 3 +3 under root 5) /15-15
=150 under root 3 +90 under root 5
I hope it will help you
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