$\frac{(469+174)^{2}-(469-174)^{2}}{(469\times174)} =?$ Options: A . &nbsp2 B . &nbsp4 C . &nbsp295 D . &nbsp643

$\frac{(469+174)^{2}-(469-174)^{2}}{(469\times174)} =?$

Question

$\frac{(469+174)^{2}-(469-174)^{2}}{(469\times174)} =?$

Options:

A . 2

B . 4

C . 295

D . 643

Answer: Option B

Given exp. = $\frac{(a+b)^{2}-(a-b)^{2}}{(ab)}$

= $\frac{4ab}{ab}$

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

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