Question

The number obtained on rationalising the denominator of 1/root7 – 2 is

Answer 1

Step-by-step explanation:

1/√7 - 2

by rationalising denominator,

√7 + 2 / (√7 - 2)(√7 + 2)

√7 + 2 / (√7)² - (2)²

√7 + 2 / 7- 4

√7 + 2 / 3

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Answer 2

Answer:

root 7+2/3 this is your answer