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I'm taking 400 mg cimetidine is Ranitidine 150 mg the same? Find all the values of x such that the given series would converge. ∑(n=1 to ∞)(6x−1)^n/ n^2? Algebra equation:
x-2y+z=2
2x-y-z=1
Solve the following system of equations using matrices. Please help!? Balanced equation for 5.0 L of 3.5 M calcium arsenate with 10.0 L of 2.5 M potassium carbonate? Dilution of epdm compound to get liquid foam?