Math, asked by krishideshpandesrd, 10 months ago

(2 root 3 + 5 root 7)(5 root 3 - 2 root7)

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Answered by kumarpratyush656

1

Answer:

$(2 \sqrt{3} + 5 \sqrt{7} )(5 \sqrt{3} - 2 \sqrt{7} ) \\ 30 - 4 \sqrt{21} + 25 \sqrt{21} - 70 \\ 21 \sqrt{21} - 40$

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