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# '1 1: By making an appropriate substitution which of the following integrals is equal to I mien) secm(x} a: ?

Why is option F wrong?

If i do tan(x) = u

i get

u^2(1+u^2)^5 right??

'1 1: By making an appropriate substitution which of the following integrals is equal to I mien) secm(x} a: ? (A) (HE—13:49am {B}I(u3+1)u9du {C} Itg(l+u2)4du m}j(u3—1)u3du (E1Iu2(1—u3)5du
an u2(l+u2}5du (G) [u2(l—u2)5du (H) [(u3+1)u7'du

Given . . u = tan θ . we have . . ﻿ ​ d θ ​ ​ d u ​ ​ ﻿ = sec 2 θ . . . ---&gt; . . . du = sec 2 θ d θ .... View the full answer

﻿ ∫ t a n ​ 2 ​ ​ ( x ) s e c ​ 1 0 ​ ​ (... View the full answer

Here is a detailed explanation... View the full answer

Option [C] is correct. Reason: ﻿ u = t a n ( x ) ⇒ s... View the full answer

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