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Using the Formula for Squaring a Binomial, Evaluate the Following: (1001)2 - Mathematics

Answer in Brief

Using the formula for squaring a binomial, evaluate the following:  (1001)2

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Solution

 Here, we will use the identity \[\left( a + b \right)^2 = a^2 + 2ab + b^2\]

\[\left( 1001 \right)^2 \]

\[ = \left( 1000 + 1 \right)^2 \]

\[ = \left( 1000 \right)^2 + 2 \times 1000 \times 1 + 1^2 \]

\[ = 1000000 + 2000 + 1\]

\[ = 1002001\]

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APPEARS IN

RD Sharma Class 8 Maths
Chapter 6 Algebraic Expressions and Identities
Exercise 6.6 | Q 3.3 | Page 43
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