Question
Find n if,
${ }^n C_{n-2}=15$
${ }^n C_{n-2}=15$
Get the step-by-step solution for this question inside the Vidyadip app.
Get the answer in the appGenerate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Find the limit of the function, if it exists, at $x=1$
$
f(x)=\left\{\begin{array}{lll}
7-4 x & \text { for } & x<1 \\
x^2+2 & \text { for } & x \geq 1
\end{array}\right.
$
$R_5=\{(x, y) / x+y=3, x, y \in\{0,1,2,3\}\}$