Integration Full Chapter Explained - Integration Class 12 - Everything you need

Last updated at July 9, 2018 by Teachoo
Transcript
Example 9 Find the following integrals: (iii) 𝑑𝑥 5 𝑥2 − 2𝑥 𝑑𝑥 5 𝑥2 − 2𝑥 = 𝑑𝑥 5 𝑥2 − 25𝑥 = 𝑑𝑥 5 𝑥2 − 2 𝑥 15 = 𝑑𝑥 5 𝑥2 − 2 𝑥 15 + 152− 152 = 𝑑𝑥 5 𝑥 − 152− 152 = 𝑑𝑥 5 𝑥 − 152− 152 = 𝑑𝑥 5 𝑥 − 152− 152 = 1 5 𝑙𝑜𝑔 𝑥− 15+ 𝑥− 152− 152+𝐶1 = 1 5𝑙𝑜𝑔 𝑥− 15+ 𝑥− 152− 152+ 𝐶1 5 = 1 5𝑙𝑜𝑔 𝑥− 15+ 𝑥2+ 152−2 𝑥 15− 152+𝐶 = 1 5𝑙𝑜𝑔 𝑥− 15+ 𝑥2− 2𝑥5+𝐶
Integration by specific formulaes - Formula 4
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