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Category: Relation and Functions

find-the-sequence-a-n-wich-verify-n-1-x-n-n-0-x-n-n-1-n-0-a-n-x-n-also-find-the-radius-of-this-serie-

Question Number 49961 by maxmathsup by imad last updated on 12/Dec/18 findthesequence(an)wichverify$$\left(\sum_{{n}=\mathrm{1}} ^{\infty} \:{x}^{{n}} \right)\left(\sum_{{n}=\mathrm{0}} ^{\infty} \:\:\frac{\left(−{x}\right)^{{n}} }{{n}+\mathrm{1}}\right)=\sum_{{n}=\mathrm{0}} ^{\infty} \:{a}_{{n}} {x}^{{n}} \:\:{also}\:{find}\:{the}\:{radius}\:{of}\:{this}\:{serie}.…

Given-f-x-sin2x-2cos2x-find-f-pi-4-hence-given-g-x-x-0-x-2-3x-x-2-2-x-3-for-a-total-range-of-0-x-3-sketch-the-graph-for-y-g-x-and-find-the-area-with-makes-with-the-x-axis

Question Number 49703 by Rio Michael last updated on 09/Dec/18 Givenf(x)=sin2x+2cos2xfindf(π4)hencegiveng(x)={x,0x23xx2,2x3foratotalrangeof0x3sketchthegraphfory=g(x)andfindtheareawithmakeswiththexaxisotherwise,findthecompositefunctiongfintherange$$\mathrm{2}\leqslant{x}\leqslant\mathrm{3}. \