Question

what would be the denominator after rationalizing 7/(3√5 - 3√2)

Answer 1

Answer:

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Step-by-step explanation:

• 7(3√5+3√2)/(3√5-3√2)(3√4+3√2)
• 7(3√5+3√2)/(3√5)^2-(3√2)^2
• 7(3√5+3√2)/45-18
• 7(3√5+3√2)/27

therefore the denominator after rationalising is 27

Answer 2

Answer:

Answer:

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Step-by-step explanation:

7(3√5+3√2)/(3√5-3√2)(3√4+3√2)

7(3√5+3√2)/(3√5)^2-(3√2)^2

7(3√5+3√2)/45-18

7(3√5+3√2)/27

therefore the denominator after rationalising is 27