Question

if I=$\left[\begin{array}{ccc}1&0\\0&1\end{array}\right]$ and E=$\left[\begin{array}{ccc}0&1\\0&0\end{array}\right]$ then show that (aI+bE)^3=a^3I+3a^2bE,where I is a unit matrix of order 2

Answer 1

Answer:

$13 { < | |06 = 3 | |612 | \frac{?}{?} | | | \times \frac{?}{?} | | \times \frac{?}{?} }^{2}$

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