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(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

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inverse (

1	2
0	−1

)

Solution

(

1	2
0	−1

)

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Solution steps

One step at a time

(

1	2
0	−1

)⁻¹

Find 2x2 matrix inverse according to the formula: (

`a`	`b`
`c`	`d`

)⁻¹=1det (

`a`	`b`
`c`	`d`

) (

`d`	−`b`
−`c`	`a`

)

=1det(

1	2
0	−1

) (

−1	−2
−0	1

)

det(

1	2
0	−1

)=−1

=1−1 (

−1	−2
−0	1

)

1−1 (

−1	−2
−0	1

)=(

1	2
0	−1

)

1	2
0	−1

)

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1	2
0	−1

)

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Notebook

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

Vector Unit Calculator

Solution

Solution steps

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