User:PianoMasta7

R =  |2 0  0  0  0  0  0  0  0  0  0 | |0  3  0  0  0  0  0  0  0  0  0 | |0  0  4  0  0  0  0  0  0  0  0 | |0  0  0  5  0  0  0  0  0  0  0 | |0  0  0  0  6  0  0  0  0  0  0 | |0  0  0  0  0  7  0  0  0  0  0 | |0  0  0  0  0  0  8  0  0  0  0 | |0  0  0  0  0  0  0  9  0  0  0 | |0  0  0  0  0  0  0  0  10 0  0 | |0  0  0  0  0  0  0  0  0  11 0 | |0  0  0  0  0  0  0  0  0  0  12| 

$$\frac{2}{11} + \frac{3}{11} + \frac{4}{11} + \frac{5}{11} + \frac{6}{11} + \frac{7}{11} + \frac{8}{11} + \frac{9}{11} + \frac{10}{11} + \frac{11}{11} + \frac{12}{11} = 7$$

$$ \langle\psi|R|\psi\rangle = 7 $$

$$\Delta\lambda = \frac{4\pi^{2}}{c}$$

$$ G = \sqrt{ \frac{mg}{r^2} } $$