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Six-free-hand-lines-are-drawn-inside-a-circle-in-order-to-divide-it-into-maximum-number-of-parts-Determine-this-number-Note-that-a-free-hand-line-has-following-three-properties-i-It-doesn-t-cut-

Question Number 4222 by Rasheed Soomro last updated on 02/Jan/16 $${Six}\:{free}-{hand}\:{lines}\:{are}\:{drawn}\:{inside} \\ $$$${a}\:{circle}\:{in}\:{order}\:{to}\:{divide}\:{it}\:{into}\:{maximum} \\ $$$${number}\:{of}\:{parts}.{Determine}\:{this}\:{number}. \\ $$$${Note}\:{that}\:{a}\:{free}-{hand}\:{line}\:{has}\:{following} \\ $$$$\:{three}\:\:{properties}: \\ $$$$\left.{i}\right)\:{It}\:{doesn}'{t}\:{cut}\:\:{itself}. \\ $$$$\left.{ii}\right){It}\:{joins}\:{two}\:{points}\:{of}\:{circle}. \\ $$$$\left.{iii}\right)\:{It}\:{can}\:{cut}\:{another}\:{line}\:{at}\:{most}\:{at}\:{three}…

lets-f-continuous-and-diferrenciable-f-x-1-xf-x-proof-that-n-N-0-f-n-x-1-nf-n-1-x-xf-n-x-where-f-n-x-d-n-f-dx-n-

Question Number 4100 by 123456 last updated on 28/Dec/15 $$\mathrm{lets}\:{f}\:\mathrm{continuous}\:\mathrm{and}\:\mathrm{diferrenciable} \\ $$$${f}\left({x}+\mathrm{1}\right)={xf}\left({x}\right) \\ $$$$\mathrm{proof}\:\mathrm{that}\:{n}\in\mathbb{N}/\left\{\mathrm{0}\right\} \\ $$$${f}^{\left({n}\right)} \left({x}+\mathrm{1}\right)={nf}^{\left({n}−\mathrm{1}\right)} \left({x}\right)+{xf}^{\left({n}\right)} \left({x}\right) \\ $$$$\mathrm{where} \\ $$$${f}^{\left({n}\right)} \left({x}\right)=\frac{{d}^{{n}} {f}}{{dx}^{{n}}…

What-is-the-remainder-when-x-81-x-49-x-25-x-9-x-is-divided-by-x-3-x-

Question Number 135169 by bramlexs22 last updated on 11/Mar/21 $$\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\mathrm{remainder}\:\mathrm{when}\: \\ $$$$\mathrm{x}^{\mathrm{81}} +\mathrm{x}^{\mathrm{49}} +\mathrm{x}^{\mathrm{25}} +\:\mathrm{x}^{\mathrm{9}} +\:\mathrm{x}\:\mathrm{is}\:\mathrm{divided} \\ $$$$\mathrm{by}\:\mathrm{x}^{\mathrm{3}} +\mathrm{x}\: \\ $$ Terms of Service Privacy…