Mathematics: What does x equal in 7x = -91

If we were to take , then we have . So in the integral, we could writeThen back-substituting to get the antiderivative in terms of , we have...

What does x equal in 7x = -91 - id7915513898, khloenm309

Ответ:

david2767

21.01.2022

Mathematics

-13

Step-by-step explanation:

divide -91 by 7

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Ответ:

milkshakegrande101

21.01.2022

Mathematics

-13

Step-by-step explanation:

7x=-91

7x/7=-91/7

x=-13

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Ответ:

awesomegrill

12.06.2020

Mathematics

If we were to take y=2x^3-4

, then we have $\mathrm dy=6x^2\,\mathrm dx$ . So in the integral, we could write

$\displaystyle\int3x^2\cos(2x^3-4)\,\mathrm dx=\int2(3x^2)\cos(2x^3-4)\,\mathrm dx=2\int\cos y\,\mathrm dy=2\sin y+C$

Then back-substituting to get the antiderivative in terms of

, we have

$\displaystyle\int3x^2\cos(2x^3-4)\,\mathrm dx=2\sin(2x^3-4)+C$

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What does x equal in 7x = -91

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