# Tagged Questions

For questions related to usage of Wolfram Alpha.

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### Equation with 2 variables tricky problem

So let's say I have some random equation $6yx^3 - 3yx + 5 = 0$, but could be anything. How would I go about finding a value for $y$, that makes it so that this equation only holds true if $x$ is ...
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### How to calculate HarmonicNumber(x, 1.6)?

I got this solution while using Wolframalpha: $$(-1.66667 n+1/2-0.133333/n+0.0208/n^3-0.0127573/n^5+O((1/n)^6))/n^1.6+2.28577$$ Could somebody tell me this solution step-by-step? I need to write ...
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### Wolfram|Alpha Plotting multiple geometric objects

I am trying to use WoflramAlpha to plot several gemoetries at once. It works fine up to an extent but after I add three different geometries to draw it just says it doesn't understand and picks ...
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### How to Create a Lesson Plan with Wolfram Alpha

This will be my first post in this forum. I am so excited to see a lot of interesting posting from the community. From the FAQ, I learned that Mathematics stack exchange discussed about mathematical ...
I'm working on testing different phase shifting equations and solving for $\phi$ each time I come up with a new set is starting to get troublesome. I was looking at Wolfram Alpha and was wondering if ...
I was trying to solve the following group of equations for $\alpha$ using Wolfram|Alpha: $$\frac{v_2\cdot\sin(\alpha)}{v_1} = 1 \\ v_1 > 0 \\ v_2 > 0$$ I expected something like \$\alpha = ...