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Look closely, you can see $\displaystyle a-2=-1$ and $\displaystyle 1-b=-1$ Finish him!
Originally Posted by pickslides look closely, you can see $\displaystyle a-2=-1$ and $\displaystyle 1-b=-1$ finish him! lol thanks.
Originally Posted by Cthul If two matrices have the same size, then to add or subtract them, you add and subtract corresponding components.
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