Question

Rationalise the denominator.
5+2√2÷7+4√3

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

5 + 2√3 7 - 4√3

———— × ————

7 + 4√3 7 - 4√3

(5 + 2√3) (7 - 4√3)

——————————

(7)2 – (4√3)

5(7 - 4√3) + 2√3(7 - 4√3)

—————————————

49 – 48

35 - 20√3 + 14√3 - 24

————————————

1

35 - 24 - 6√3

11 - 6√3

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