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SSRIs or selective serotonin reuptake inhibitors can be used to treat depression. They are used as they inhibit the reuptake of the neurotransmitter, serotonin, in the presynaptic cell. This increases the...

The basic word order is: person (+ time) (+adverb) (+ place) (+negation) (+ modal verb) + verb (+ duration) + object where you can leave out the things in brackets： Some examples 我在花园喜欢踢足球 I like to play ...

Consider the case n=1. Then 1(1+1)(2*1+1)/6 = 1 = 1^2 and so the claim is true for n=1. Suppose the claim is true for some positive integer n, so that 1+4+9+...+n^2 = n(n+1)(2n+1)/6. Then by the inductive...

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