Question

subtract A2 + B2 + 2 Ab from A2 + B2 - 2AB
​

Answer 1

Answer:

= A2 + B2 - 2AB - (A2+B2+2AB)

= A2 + B2 - 2AB - A2- B2 - 2AB

= -4AB

Answer 2

$\large { \underline{ \bf \red{Question:- }}}$

Subtract a2 +2ab from b2 +4ab

$\large { \underline{ \bf \purple{Solution:- }}}$

$⟹a² +b² + 2ab - (a² - 2ab)$

$⟹a² +b ² + 2ab -a² + b² +2ab$

$⟹a² - a² + b² + 2ab + 2ab$

$⟹4ab$

$\large { \underline{ \bf \pink{Notes:- }}}$

• Same Sign = Addition (+)
• Opposite Sign = Subtraction (-)

$\large { \underline{ \bf \green{Therefore:- }}}$

$4ab \: is \: the \: Correct \: Answer$

$\large { \underline{ \bf \blue{For \:more \:information:- }}}$

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