(469 + 174)2 - (469 - 174)2 =? (469 x 174)

Q: (469 + 174)2 - (469 - 174)2 =? (469 x 174)

Given exp. = (a + b)2 - (a - b)2 ab = 4ab ab = 4 (where a = 469, b = 174.)

2
4
295
643

Correct Answer: 4

Explanation:

Given exp. =	(a + b)² - (a - b)²
	ab

=	4ab
	ab

= 4 (where a = 469, b = 174.)

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