a t
(a+b) ² = a² + b²+2ab
(a-b)²= a²+b²-2ab
(a+b) (a-b) = a² -b²
(x+a) (x+b) = x² +(a+b)x+ab
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what is the question dude
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Answer:
kya kr na hai is question me please tell
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