3 years ago

Why am I still using camera lenses

Mathematics

1 answer:

lubasha [3.4K]3 years ago

4 0

To be able to make sure your camera is in focus

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Consider f and c below. f(x, y, z) = (y2z + 2xz2)i + 2xyzj + (xy2 + 2x2z)k,

qaws [65]

$\dfrac{\partial f}{\partial x}=y^2z+2xz^2$
$f(x,y,z)=xy^2z+x^2z^2+g(y,z)$

$\dfrac{\partial f}{\partial y}=2xyz+\dfrac{\partial g}{\partial y}=2xyz$
$\dfrac{\partial g}{\partial y}=0\implies g(y,z)=h(z)$

$\dfrac{\partial f}{\partial z}=xy^2+2x^2z+\dfrac{\mathrm dh}{\mathrm dz}=xy^2+2x^2z$
$\dfrac{\mathrm dh}{\mathrm dz}=0\implies h(z)=0$

$\implies f(x,y,z)=xy^2z+x^2z^2+C$

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3 years ago

A cola company decides to test five different brands of soft drink. The different brands have been labeled F, G, H, I, and J. Th

Yuki888 [10]

The answer is B) 20

Because you have 5 brands and you combine each with the 4 others, so 5*4=20

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3 years ago

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Which is the slope of the line that passes through the points (2,10) and (5,8)?

german

It is -3/2, 2/10 - 5/8 = -3/2