If A- 2 3 1 3 7 3 1 2 3 2 5 3 4 3 2 3 - and B- 2 5 1 5 7 5 3 5 2 5 6 5 1 4 5 2 5 - then compute 3A-5B-

3A 5B=3[ 2 / 3 #160; 1 / 3 #160; 7 / 3 #160; 1 2 / 3 #160; 2 5 / 3 #160; 4 / 3 #160; 2 / 3 #160;] 5[ ...

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Equal Vectors

If A=[ 2 3 ...

Question

If $A = ⎡ ⎢ ⎢ ⎢ ⎢ ⎢ ⎢ ⎢ ⎣ \begin{matrix} \frac{2}{3} \frac{1}{3} \frac{7}{3} \end{matrix} \begin{matrix} 1 \frac{2}{3} 2 \end{matrix} \begin{matrix} \frac{5}{3} \frac{4}{3} \frac{2}{3} \end{matrix} ⎤ ⎥ ⎥ ⎥ ⎥ ⎥ ⎥ ⎥ ⎦$ and $B = ⎡ ⎢ ⎢ ⎢ ⎢ ⎢ ⎢ ⎢ ⎣ \begin{matrix} \frac{2}{5} \frac{1}{5} \frac{7}{5} \end{matrix} \begin{matrix} \frac{3}{5} \frac{2}{5} \frac{6}{5} \end{matrix} \begin{matrix} 1 \frac{4}{5} \frac{2}{5} \end{matrix} ⎤ ⎥ ⎥ ⎥ ⎥ ⎥ ⎥ ⎥ ⎦$ , then compute $3 A - 5 B$ .

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32 \times 41 = 15; 51 \times 34 = 46; 41 \times 52 = 37

87 \times 53 = ?

\frac{2}{5} + \frac{3}{5^{2}} + \frac{2}{5^{3}} + \frac{3}{5^{4}} + \frac{2}{5^{5}} + \frac{3}{5^{6}} + . . . . . .

{(\frac{2}{5})}^{2}

{(2^{- 3})}^{2}

5^{2} \times 5^{3}

{[{(- \frac{2}{5})}^{- 1}]}^{- 2}

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