Question

rationalising factor of root 7​

Answer 1

Step-by-step explanation:

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Rationalising factor is a term with which a term is multiplied or divided to make the whole term rational. (√2 + √7 - √10)(√2 + √7 + √10) = (√2 + √7)^2 - 10 = 2√14 - 1. = 55.

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Answer 2

Answer:

Since 7 is a prime number, The only rationalising factor is root 7

Hope It Helps!