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

1. Chapter 7 Class 12 Integrals
2. Concept wise
3. Definite Integration - By Formulae

Transcript

Misc 35 Prove that โซ_0^1โ๐ฅ ๐^๐ฅ ๐๐ฅ=1 Solving L.H.S โซ_0^1โ๐ฅ ๐^๐ฅ ๐๐ฅ First we will solve โซ1โ๐ ๐^๐ ๐๐ โซ1โ๐ฅ ๐^๐ฅ ๐๐ฅ Now we know that โซ1โใ๐(๐ฅ) ๐โก(๐ฅ) ใ ๐๐ฅ=๐(๐ฅ) โซ1โ๐(๐ฅ) ๐๐ฅโโซ1โ(๐^โฒ (๐ฅ) โซ1โ๐(๐ฅ) ๐๐ฅ) ๐๐ฅ Putting value of f(x) = x and g(x) = ex โซ1โ๐ฅ ๐^๐ฅ ๐๐ฅ=๐ฅโซ1โใ๐^๐ฅ ๐๐ฅใโโซ1โ(๐๐ฅ/๐๐ฅ โซ1โใ๐^๐ฅ ๐๐ฅใ) ๐๐ฅ = ๐ฅ๐^๐ฅโโซ1โ1. ๐^๐ฅ ๐๐ฅ = ๐ฅ๐^๐ฅโ๐^๐ฅ+๐ถ Applying limits โซ1_0^1โใ๐ฅ ๐^๐ฅ ๐๐ฅใ = [๐ฅ๐^๐ฅโ๐^๐ฅ ]_0^1 = (1๐^1โ๐^1 )โ(0.๐^0โ๐^0) = (๐^1โ๐^1 )โ (0 โ 1) = 1 = R.H.S Hence proved.

Definite Integration - By Formulae