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Rationalise the denominator 3/square root of 7
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3 votes
Rationalise the denominator 3/square root of 7

User KarlsFriend
by
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2 Answers

5 votes
To do this, we multiply


3/ √(7)* √(7)/ √(7)

We can do this be square root 7/square root 7 equals one. The result of this is:


3*√(7)/7
User Abdurrahman Anas
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5.8k points
4 votes
Multiply by square root of 7 divided by the square root of 7 and this gives you (3 root 7 ) divided by 7.
User Poala Astrid
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6.3k points
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