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If A = 2, B = − 2, Find the Value Of A2 − B2 - CBSE Class 7 - Mathematics

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Question

If a = 2, b = − 2, find the value of a2 − b2

Solution

a2 - b2

= (2)2 - (-2)2 = 4 - 4 = 0

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APPEARS IN

 NCERT Solution for Mathematics for Class 7 (2018 to Current)
Chapter 12: Algebraic Expressions
Ex. 12.30 | Q: 4.3 | Page no. 242
Solution If A = 2, B = − 2, Find the Value Of A2 − B2 Concept: Finding the Value of an Expression.
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