If
where
is a constant of integration, then
is equal to:
If where is a constant of integration, then is equal to:
Option 1 -
-2
Option 2 -
Option 3 -
Option 4 -
2
-
1 Answer
-
Correct Option - 1
Detailed Solution:sinx = t, cosxdx = dt
I = ∫dt/(t³(1+t?)^(2/3)) = ∫dt/(t?(1+1/t?)^(2/3))
Put 1+1/t? = r³ ⇒ -6/t? dt = 3r²dr
I = (-1/2)∫dr = -1/2 r + c = (-1/2)(1+1/sin?x)^(1/3) + c
f(x) = (-1/2)cosec²x(1+sin?x)^(1/3) and λ=3
⇒ f(π/3) = -2
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