Mathematics Questions

20. $\displaystyle\sum_{k=0}^n \frac{^nC_k}{k+1} = $

COMEDK 2008 Binomial Theorem

25. A solution of $y" - xy' + y + 4 = 0$ is

COMEDK 2011 Differential Equations

26. The two curves $x^3 - 3xy^2 + 2 = 0$ and $3x^2y - y^3 = 2$

KCET 2016 Application of Derivatives