Example 15 (ii) - Chapter 1 Class 9 Number Systems
Last updated at Dec. 16, 2024 by Teachoo
Examples
Example 1 (i)
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Chapter 1 Class 9 Number Systems
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Transcript
Example 16 Simplify the following expressions: (ii) (5 + 5) (5 - 5) (5 + 5) (5 - 5) We know that, (a + b) (a-b) = a2 b2 Putting a = 5, b = 5 = 52 ( 5)2 = 25 5 = 20
