Question

find the simplest rationalising factor of each of the following √7​

Answer 1

Step-by-step explanation:

Therefore, lowest rationalizing factor is ( 7 + √7 ).

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Answer 2

Answer:

(i) 1/√7

Solution:

Multiply and divide 1/√7 by √7

(1×√7)/(√7×√7) = √7/7