Example 15 (iii) - 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: (iii) ( 3 + 7)2 ( 3 + 7)2 We know that (a + b)2= a2 + b2 + 2ab where a = 3 , b = 7 = ( 3)2 +( 7)2 + 2 3 7 = 3 + 7 + 2 (3 7) = 3 + 7 + 2 21 = 10 + 2 21
