(469 + 174) 2 - (469 - 174) 2 = ? (469 x 174) Options: A . &nbsp2 B . &nbsp4 C . &nbsp295 D . &nbsp643

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

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

Question

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

Options:

A . 2

B . 4

C . 295

D . 643

Answer: Option B

Given exp. =
(a + b)² - (a - b)²
ab

=
4ab
ab

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

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