nary002000zz nary002000zz

14-03-2022
Mathematics

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if a<b<0 show that a² > b²

PLEASE SHOW STEP-BY-STEP

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claire33p7xpgf claire33p7xpgf

14-03-2022

Answer:

a2−b2=(a−b)(a+b).

Since a≥0 and b>0, a+b>0 and a−b<0 since a<b, thus: (a−b)(a+b)<0. So a2−b2<0. Thus a2<b2.

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