What should be subtracted from x^2 + y^2 - 2xy to get x^2 + y^2? - Vidyadip

MCQ

What should be subtracted from $x^2 + y^2 - 2xy$ to get $x^2 + y^2?$

A
$2xy$
✓
$-2xy$
C
$xy$
D
$– xy$

✓

Answer

Correct option: B.

$-2xy$

$-2xy$

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