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Evaluate the following: (98)3 - Mathematics

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Question

Evaluate the following:

 (98)3

Evaluate

Solution

We have,

(98)3 = (100 − 2)3

= (100)3 − (2)3 − 3 x 100 x 2(100 − 2)

= 1000000 − 8 − 600 x 98

= 941192

⇒ (98)3 = 941192

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Chapter 4: Algebraic Identities - Exercise 4.3 [Page 20]

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RD Sharma Mathematics [English] Class 9
Chapter 4 Algebraic Identities
Exercise 4.3 | Q 11.2 | Page 20

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