rationalise the denominator of 1/1-√7
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Answer:
1/1-√7 = 1 (1+√7) / (1-√7)(1+√7)
1+√7 / 1-7 = -(1+7)/6
Step-by-step explanation:
multiply 1-√7 with 1+√7 to get a rational denominator.
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