Math, asked by spandans848, 9 months ago

a²+b²-c²-d²+2ab-2cd please answer this

Answers

Answered by ashokmetrorly

Answer:

Answer is dis only....as there r no like variables

Answered by sanchitachauhan241

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It is given that

a²+b²-c²-d²+2ab-2cd

Rearrange the terms:

a²+b²+2ab-c²-d²-2cd

= (a²+b²+2ab)- (-c²-d²-2cd)

= (a+b)² - (-c+d)²

= [( a+b) + ( c+d)][( a+b) - (c+d)]

= (a + b + c + d) ( a + b - c - d)

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