Learn Intergation from Davneet Sir - Live lectures starting soon!
Ex 7.9, 10 - Chapter 7 Class 12 Integrals (Term 2)
Last updated at Dec. 20, 2019 by Teachoo
Ex 7.9
Ex 7.9, 1
Ex 7.9, 2
Ex 7.9, 3
Ex 7.9, 4 Important
Ex 7.9, 5
Ex 7.9, 6
Ex 7.9, 7
Ex 7.9, 8 Important
Ex 7.9, 9
Ex 7.9, 10 You are here
Ex 7.9, 11 Important
Ex 7.9, 12
Ex 7.9, 13
Ex 7.9, 14 Important
Ex 7.9, 15
Ex 7.9, 16 Important
Ex 7.9, 17 Important
Ex 7.9, 18
Ex 7.9, 19 Important
Ex 7.9, 20 Important
Ex 7.9, 21 (MCQ) Important
Ex 7.9, 22 (MCQ)
Chapter 7 Class 12 Integrals
Serial order wise
Transcript
Ex 7.9, 10 β«_0^1βππ₯/(1 + π₯2) Let F(π₯)=β«1βππ₯/(1 + π₯^2 ) =β«1β1/(1^2 + π₯^2 ) ππ₯ =1/1 .tan^(β1)β‘(π₯/1) =tan^(β1) π₯ Hence F(π₯)=tan^(β1) π₯ (Using β«1β1/(π₯^2 + π^2 ) ππ₯=1/π tan^(β1)β‘π₯) Now, β«_0^1βγππ₯/(1 + π₯^2 )=πΉ(1)βπΉ(0) γ =tan^(β1)β‘γ(1)βtan^(β1)β‘(0) γ =π/4β0 =π /π
