If x =root 7+root5 and y=root7-root5 find xy

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Almas Adilbek asked Aug 12, 2022

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If x =root 7+root5 and y=root7-root5 find xy

Mathematics
college

Almas Adilbek asked Aug 12, 2022

by Almas Adilbek

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final answer will be 2 because √a×√a= a

If x =root 7+root5 and y=root7-root5 find xy-example-1

Anouar Fadili answered Aug 12, 2022

by Anouar Fadili

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Explanation:

x=√7+√5, y=√7-√5

therefore, xy = (√7+√5)(√7-√5) = 7-5 = 2.

Hope this helps you.

Puchacz answered Aug 18, 2022

by Puchacz

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