Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Evaluate: 
dx
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Sol . Let
dx
Then, by using property VII, we have
I =
dx
⇒ I =
dx
⇒ I = 
dx
⇒ I = 
dx
⇒ I = 
dx
⇒ I = 
dt, where t = x 3 ⇒ I = 
dt [Dividing N
r and D r by cos 2 t]
⇒ I = 
dt
⇒ I = 
d( 
tan t)
⇒ I = 
⇒ I = 
{tan –1 – tan –1 0} =
tan –1
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