Question

Simplify each of the following by rationalizing the denominators (a)7+3√5/7-3√5

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

we have 7+3√5/7-3√5

rationalising denominator

(7+3√5/7-3√5)*(7+3√5/7+3√5)

(7+3√5)²/7²-(3√5)²

49+45+42√5/49-45

94+42√5/4

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