Last updated at May 29, 2018 by Teachoo

Transcript

Example 22 Find | |, if = 2 + + 3 and = 3 + 5 2 = 2 + + 3 = 3 + 5 2 = 2 1 3 3 5 2 = (1 (-2) 5 3) (2 (-2) 3 3) + (2 5 3 1) = ( 2 15) ( 4 9) + (10 3) = ( 17) - ( 4 9) + (10 3) = ( 17) ( 13) + (7) = 17 + 13 + 7 = 17 + 13 + 7 So, Magnitude of = 17 2+ 13 2+ 7 2 = 289+169+49 = 507 Thus, =

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Example 22 You are here

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Example 26 (Supplementary NCERT)

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Example 28 (Supplementary NCERT)

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Example 31 (Supplementary NCERT)

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.