Chapter 7 Class 12 Integrals
Concept wise

Ex 7.10, 9 - Using properties of definite integrals x root 2-x - Ex 7.10

part 2 - Ex 7.10, 9 - Ex 7.10 - Serial order wise - Chapter 7 Class 12 Integrals
part 3 - Ex 7.10, 9 - Ex 7.10 - Serial order wise - Chapter 7 Class 12 Integrals

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Transcript

Ex 7.10, 9 By using the properties of definite integrals, evaluate the integrals : โˆซ_0^2โ–’๐‘ฅโกโˆš(2โˆ’๐‘ฅ) ๐‘‘๐‘ฅ Let I=โˆซ_0^2โ–’ใ€–๐‘ฅโˆš(2โˆ’๐‘ฅ) ๐‘‘๐‘ฅใ€— โˆด I=โˆซ_0^2โ–’ใ€–(2โˆ’๐‘ฅ) โˆš(2โˆ’(2โˆ’๐‘ฅ) ) ๐‘‘๐‘ฅใ€— I=โˆซ_0^2โ–’ใ€–(2โˆ’๐‘ฅ) โˆš(2โˆ’2+๐‘ฅ ) ๐‘‘๐‘ฅใ€— I=โˆซ_0^2โ–’ใ€–(2โˆ’๐‘ฅ) โˆš(๐‘ฅ ) ๐‘‘๐‘ฅใ€— I=โˆซ_0^2โ–’ใ€–(2โˆ’๐‘ฅ) (๐‘ฅ)^(1/2) ๐‘‘๐‘ฅใ€— I=โˆซ_0^2โ–’ใ€–(2. ๐‘ฅ^(1/2)โˆ’๐‘ฅ.ใ€– ๐‘ฅใ€—^(1/2) ) ๐‘‘๐‘ฅใ€— I=2โˆซ_0^2โ–’ใ€–๐‘ฅ^(1/2) ๐‘‘๐‘ฅใ€— โˆ’โˆซ_0^2โ–’ใ€–๐‘ฅ. ๐‘ฅ^(3/2) ๐‘‘๐‘ฅใ€— I=2[๐‘ฅ^(1/2 + 1)/(1/2 + 1)]_0^2โˆ’ [๐‘ฅ^(3/2 + 1)/(3/2 + 1)]_0^2 I=2[๐‘ฅ^(3/2 )/(3/2)]_0^2โˆ’ [๐‘ฅ^(5/2)/(5/2)]_0^2 I=(2. 2)/3 [๐‘ฅ^(3/2) ]_0^2โˆ’ ใ€–2/5 [๐‘ฅ^(5/2) ]ใ€—_0^2 I=4/3 [(2)^(3/2)โˆ’(0)^(3/2) ] โˆ’ 2/5 [(2)^(5/2)โˆ’(0)^(5/2) ] I=4/3 [(2)^(3/2) ] โˆ’ 2/5 [(2)^(5/2) ] I=4/3 [[(2)^(1/2) ]^3 ] โˆ’ 2/5 [[(2)^(1/2) ]^3 ] I=4/3 [(โˆš2)^3 ] โˆ’ 2/5 [(โˆš2)^5 ] I=4/3 [2โˆš2] โˆ’ 2/5 [4โˆš2] I=(8โˆš2)/3โˆ’(8โˆš2)/5 I=8โˆš2 [1/3โˆ’1/5] I=8โˆš2 [2/15] ๐ˆ=(๐Ÿ๐Ÿ”โˆš๐Ÿ)/๐Ÿ๐Ÿ“

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