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Recent questions tagged q12-2

Evaluate:$\large \int\frac{x+2}{\sqrt{x^2+2x+3}}$dx

asked Mar 20, 2013 by sreemathi.v

1 answer

If x=$acos^3\theta$ and y=$asin^3\theta,$then find the value of $\Large \frac{d^2y}{dx^2}$ at $ \theta=\Large \frac{\pi}{6}$.

asked Mar 20, 2013 by sreemathi.v

1 answer

Solve the following equation :$\cos\big(tan^{-1}x\big)=sin\bigg(cot^{-1}\frac{3}{4}\bigg)$

asked Mar 20, 2013 by sreemathi.v

1 answer

State whether the following statement is true or false. Justify. ii) If $\ast$ is a commutative binary operation on N, then $a \ast (b \ast c) = (c \ast b) \ast a$.

asked Mar 20, 2013 by balaji.thirumalai

1 answer

Let X={1,2,3} and Y={4,5}.Find whether the following subsets of X x Y are functions from X to Y or not.$(ii)\quad g=\{(1,4),(2,4),(3,4)\} $

asked Mar 13, 2013 by sreemathi.v

1 answer

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