Normal Distribution
- The mean, the median and the mode are the same.
- The curve is be
If $y$ is the sum of two parts, one part varies inversely as $x… Read
For $n$ different objects, if we select $r$ objects out of th… Read
$= \dfr
Condition: $\Delta ABC \cong \Delta X
Result: $a=b$
Reference: corr. $\an
Condition: $\Delta ABC\sim\Delta XY
For two straight lines $\ell_1$ and $\ell_2$ with
Condition: Right-angled triangle
Result: $a^2+b^2=c^2$… Read
For quadratic equation $ax^2+bx+c=0$, where $a$, $b$ and $… Read