For the following questions answer them individually
The minimum and maximum eigen value of the matrix $$\begin{bmatrix}1 & 1& 3\\ 1& 5 &1\\3&1&1\end{bmatrix}$$ ]are —2 and 6 respectively. Whatis the other eigen value?
Two coins are simultaneously tossed. The probability of two heads simultaneously appearing is
Evaluate $$\int_{0}^{\frac{\pi}{2}} \frac{\surd (\sin x)}{\surd (\sin x)+\surd (\cos x)}$$ dx
The rank of A=$$\begin{bmatrix}0 & 0& 0&0\\ 4& 2 &3&0\\1&0&0&0\\4&0&3&0\end{bmatrix}$$ is