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#?