Ex 7.11, 13 - Chapter 7 Class 12 Integrals (Term 2)
Last updated at May 29, 2018 by Teachoo
Definite Integration by properties - P7
Definite Integration by properties - P7
Ex 7.11, 13 By using the properties of definite integrals, evaluate the integrals : − 𝜋2 𝜋2 sin7𝑥 𝑑𝑥 This is of form −𝑎𝑎𝑓 𝑥𝑑𝑥 𝑓 𝑥= sin7𝑥 𝑓 −𝑥= sin7 −𝑥= −𝑠𝑖𝑛𝑥7= −17 𝑠𝑖𝑛𝑥7=− sin7𝑥 Thus, 𝑓 −𝑥 =− 𝑓 𝑥 ∴ −𝜋2 𝜋2 sin7𝑥 𝑑𝑥=𝟎