Find x, if $\left[\begin{array}{ccc}x&-5&-1\end{array}\right] \left[\begin{array}{ccc}1&0&2\\0&2&1\\2&0&3\end{array}\right] \left[\begin{array}{c}x&4&1\end{array}\right]=0$ ...

Math, 10 months ago

If $\left[\begin{array}{ccc}1&1&1\\1&1&1\\1&1&1\end{array}\right]$ , prove that $A^{n}= \left[\begin{array}{ccc}3^{n-1} &3^{n-1}&3^{n-1}\\3^{n-1} &3^{n-1}&3^{n-1}\\3^{n-1} &3^{n-1}&3^{n-1}\end{array}\right]$ , n ⋲ N.

Math, 10 months ago

Find the values of x, y, z if the matrix satisfy $A=\left[\begin{array}{ccc}0&2y&z\\x&y&-z\\x&-y&z\end{array}\right]$ the equation A’A =I.

Q-5 (A) Identify the following patriots of over country and write their names ​

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Q-5 (A) Identify the following patriots of over country and write their names