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( 489 + 375 ) 2 − ( 489 − 375 ) 2 ( 489 × 375 ) = ? -

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Question

`((489 + 375)^2-(489 - 375)^2)/((489×375))` = ?

Options

  • 144

  • 864

  • 2

  • 4

MCQ

Solution

4
Explanation:

`((a + b)^2-(a - b)^2)/(ab) = (4ab)/(ab ` = 4  

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Simplification (Entrance Exam)
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