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753 x 753 + 247 x 247 - 753 x 247 =? 753 x 753 x 753 + 247 x 247 x 247

1⁄1000
1⁄506
253⁄500
None of these

Correct Answer: 1⁄1000

Explanation:

Given Exp. =	(a² + b² - ab)	=	1	=	1	=	1
	(a³ + b³)		(a + b)		(753 + 247)		1000

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