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3 years ago

HELP

Mathematics

1 answer:

Masja [62]3 years ago

6 0

Answer:

He confused the height and diameter

Step-by-step explanation:

Given that,

The radius of the cylinder, r = 2.5 cm

Height of the cylinder, h = 24 cm

The volume of the cylinder is given by the formula as follows :

$V=\pi r^2 h\\\\=3.14\times (2.5)^2\times 24\\\\=471\ cm^3$

Vaughn is confused in diameter and the height of the cylinder. He takes radius as 12 cm and height as 5 cm which is wrong. Hence, the correct option is (a).

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Answer:

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Step-by-step explanation:

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So, solution of the differential equation is

$y(t)=-\frac{5x^2}{4}\cot 2x\cdot \cos 2x+c_1e^{-2it}+c_2e^{2it}\\$

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