Chemical Engineering > GATE 2011 > Calculus
The value of the improper integral ∫-∞∞ dx/(1+x2) is
Correct : c
Similar Questions
Let 𝑟 and 𝜃 be the polar coordinates defined by 𝑥 = 𝑟 𝑐𝑜𝑠 𝜃 and 𝑦 = 𝑟 𝑠𝑖𝑛 𝜃.
The area of the cardioid 𝑟 = 𝑎 (1 − 𝑐𝑜𝑠 𝜃),0≤𝜃≤2𝜋, is
Which one of the following is the CORRECT value of 𝑦, as defined by the
expression given below?
The first derivative of the function
evaluated at 𝑟=1 is ______ (in integer).
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