Practice Engineering Mathematics - GATE & ESE

Engineering Mathematics

The eigen values of a $3 \times 3$ matrix $\mathrm{P}$ are $true$ then $\mathrm{P}^{-1}$ is:

$\frac{1}{2}\left(P^{2}-2 P\right)$

$\frac{1}{4}\left(3 P-P^{2}\right)$

$-\frac{1}{2}\left(P^{2}+3 P\right)$

$-\frac{1}{4}\left(P^{2}+2 P\right)$

Linear Algebra

Calculus

Vector Calculus

Differential Equations

Probability & Distribution

Numerical Methods

Complex Variables

Transform Theory