If a^2-b^2=27 and a^2+b^2=13 then the value of ab is equal to:

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If a^2-b^2=27 and a^2+b^2=13 then the value of ab is equal to:

E

Editor

Sep 18, 2022

If a^2-b^2=27 and a^2+b^2=13 then the value of ab is equal to:

Difficulty: Easy

A:

2\sqrt{5}

B:

2i\sqrt{35}

C:

14

D:

20

ID: 63273db5ca83163ac3a0a121