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svlad2 [7]
3 years ago
8

Find the surface Area.

Mathematics
1 answer:
vesna_86 [32]3 years ago
8 0

Answer:

it's 400

Step-by-step explanation:

just do it like this I guess 5 × 8 × 10

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Step-by-step explanation:

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3 -6

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Make use of the known limit,

\displaystyle\lim_{x\to0}\frac{\sin x}x=1

We have

\displaystyle\lim_{x\to0}\frac{e^x\sin x\tan x}{x^2}=\left(\lim_{x\to0}\frac{e^x}{\cos x}\right)\left(\lim_{x\to0}\frac{\sin^2x}{x^2}\right)

since \tan x=\dfrac{\sin x}{\cos x}, and the limit of a product is the same as the product of limits.

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\displaystyle\lim_{x\to0}\frac{\sin^2x}{x^2}=\left(\lim_{x\to0}\frac{\sin x}x\right)^2=1^2=1

so the overall limit is 1.

4 0
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Step-by-step explanation:

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