Supplementary Exercise Q1
Last updated at Dec. 8, 2016 by Teachoo
Transcript
Supplementary Exercise Q1 if = 7 2 + 3 , = + 2 and = 3 + 8 , then find ( ) and ( ). Also Find whether if .( ) and ( ). are equal Given, = 7 2 + 3 , = + 2 , = 3 + 8 = 3 + 8 + 0 .( ) = = 7 2 3 1 1 2 3 8 0 = 7 1 0 (8 2) ( 2) 1 0 (3 2) + 3 1 8 (3 1) = 7 0 16 +2 0 6 +3 8+3 = 7( 16) + 2( 6) + 3(11) = 112 12 + 33 = 91 Finding ( ). = .( ) = = 3 8 0 7 2 3 1 1 2 = 3 2 2 ( 1 3) 8 7 2 (1 3) + 0 7 1 (1 2) = 3 4+3 8 14 3 0 = 3( 1) 8(11) = 3 88 = 91 Hence , .( ) = ( ).
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About the Author
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.