Last updated at Dec. 16, 2024 by Teachoo
Example 12 Using Identity (II), find (ii) (4.9)^2 (4.9)^2 = (5β0.1)^2 (πβπ)^2=π^2+π^2β2ππ Putting π = 5 & π = 0.1 = (5)^2+(0.1)^2β2(5)(0.1) = 25+(1/10)^2β(2Γ5Γ1/10) = 25+1^2/γ10γ^2 β(10/10) = 25+1/100β1 = 24+1/100 = (24 Γ 100 + 1)/100 = (2400 + 1)/100 = 2401/100 = ππ.ππ
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About the Author
Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo