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We use the product rule with u=x and v=ln(x) (so u'=1 andv'=1/x) to differentiate xln(x) to ln(x)+1, and -x just differentiates to -1, hence we have. f'(x)=ln(x).Now note that ln(x^3)=3ln(x) using p...
Things that they are testing here: 'to help' = helfen + DATIVE; 'because' = weil (sends main verb to the END); general adjectival endings and plurals ANSWER(S): Meine Freunde und ich helfen gern <...
x=1, y=2x=-2/5, y=-11/5
The Greeks were the first to think of atoms, Democritus defined an atom as the smallest indivisible piece of matter using the idea that if you continue to cut a material in half, you must eventually reach...
Aggregate demand is the sum of consumption, investment, government spending and net exports.Consumption can change for various reasons such as changes in income, taxes, expectations about future income, a...
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