JIPMAT 2021 (QA) - The value of (25.732^2 - 15.732^2) is | PYQs + Solutions | AfterBoards
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JIPMAT 2021

Algebra
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Identities

Conceptual

The value of (25.7322−15.7322)(25.732^{2} - 15.732^{2}) is

Correct Option: 3
Using a2−b2=(a+b)(a−b)a^2 - b^2 = (a+b)(a-b):
=(25.732+15.732)(25.732−15.732)= (25.732 + 15.732)(25.732 - 15.732) \newline =41.464×10= 41.464 × 10 \newline =414.64= 414.64
Therefore, 25.7322−15.7322=414.6425.732^2 - 15.732^2 = 414.64

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