Questions asked by Joe K.
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Is 6sin(x)cos(x) equivalent to 3sin(2x) or sin(3x)?
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Percent of element in the original impure sample?
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What do I do to implement the x^2 into this series? x^2sum_(n=0)^oo(na_nx^(n-1))
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How do you solve this differential equation with power series? y''+x^2y'+xy=0
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How do you perform this operation? (x^2+2)sum_(n=2)^oo(n(n-1)a_nx^(n-2))
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What's the pH of a solution of 1.5M HNO_3?