If a^2+b^2=16 and (a-b)^2=4, then ab is equal to:

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If a^2+b^2=16 and (a-b)^2=4, then ab is equal to:

E

Editor

Sep 18, 2022

If a^2+b^2=16 and (a-b)^2=4, then ab is equal to:

Difficulty: Easy

A:

-6

B:

20

C:

-20

D:

6

ID: 63273db5ca83163ac3a0a117