Math, asked by genduntsering177, 10 months ago

find (5-root5) (4-root4)

Answers

Answered by pnb1943

0

Answer:

$(5 - \sqrt{5} )(4 - \sqrt{4} ) \\ = 20 - 5 \sqrt{4} - 4 \sqrt{5} + \sqrt{5 \times 4} \\ = 20 - 5 \sqrt{4} - 4 \sqrt{5} + \sqrt{20} \\ answer$

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