rationalise the denominator of 6/√7-2
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Answered by
2
Answer:
6/ root7- 2 × root7+2/ root 7 +2
= 6( root 7+ 2)/(root7)²- 2²
= 6( root 7 +2)/3
= 2 ( root7 +2)
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Answered by
7
Answer:
6/root7-2 × root 7+2/root 7+2
6root 7+2/root7² - root2²
6root7+2/7-2
6root7+2/5
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