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whitethunder05

whitethunder05

02.10.2021 •

Mathematics

Is this a function???????

Is this a function???????

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Ответ:

bloop3r

02.10.2021

No is not a function

Step-by-step explanation: A really good example is this one

Is this a function???????

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Ответ:

krystalsanabria83

31.01.2023

$\\ \sf\longmapsto \left[{3a+b\atop a-b}\:\:\:{3c-d\atop a+b+d}\right]=\left[{3\atop 5}\:\:\;{6\atop 2d-1}\right]$

Now constructing equations

$\\ \sf\longmapsto 3a+b=3\dots(1)$

$\\ \sf\longmapsto a-b=5\dots(2)$

$\\ \sf\longmapsto 3c-d=6\dots(3)$

$\\ \sf\longmapsto a+b+d=2d-1\dots(4)$

Adding eq(1) and (2)

$\\ \sf\longmapsto 4a=8$

$\\ \sf\longmapsto a=\dfrac{8}{4}$

$\\ \bf\longmapsto a=2$

Put the value in eq(2)

$\\ \sf\longmapsto a-b=5$

$\\ \sf\longmapsto b=a-5$

$\\ \sf\longmapsto b=2-5$

$\\ \bf\longmapsto b=-3$

put the values in eq(4)

$\\ \sf\longmapsto a+b+d=2d-1$

$\\ \sf\longmapsto 2+(-3)+d=2d-1$

$\\ \sf\longmapsto d-1=2d-1$

$\\ \sf\longmapsto d-2d=-1+1$

$\\ \sf\longmapsto -d=0$

$\\ \bf\longmapsto d=0$

Put the value in eq(3)

$\\ \sf\longmapsto 3c-d=6$

$\\ \sf\longmapsto 3c-0=6$

$\\ \sf\longmapsto 3c=6+0$

$\\ \sf\longmapsto 3c=6$

$\\ \sf\longmapsto c=\dfrac{6}{3}$

$\\ \sf\longmapsto c=2$

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