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×匯

×匯;-薩〔並,/Sn=2^n-1 an=Sn-S(n-1)=2^(n-1)÷a1^2+a2^2+a3^2++an^2 1^2+2^2+4^2++[2^(n-1)]^2

祇高屈噴膨定頁巷圷椎定×匯祇高屈噴膨定頁巷圷1844定。祇高賃覽贈doro eldengge湊賠doro eldengge暫氷途錚今廉戦櫛忖銚

寮伏寂壇利戦蝕×匯匯嗤焚担讐梢指基採塋簒斤彭嘩侭欠邦議晒盾圭隈嗤載謹嶽,醤悶晒盾圭隈泌和: 圭隈1:辛參壓低型寂議壇笥慧匯倖徳欠,

×匯.//\×.籾伉-÷痴q;俳低辛參宸担襭採厠緜蟶麭珊a1+q5嵐圷,嶬攬冀芯蟷衡蘯厰佩x嵐心恂耽定贋秘総匯社咢佩x嵐,定旋楕q,5定朔函竃侭嗤匯軟

:.:::\.n×匯/:喇緩辛屬誼 \n(2)銭俊OD壅屬苧OD〕DE軸辛 (1)屬苧坐俊CD \n×BC葎}O議岷抄 \n÷CD〕AB \n×

,,,q.y,p;、×匯??, ?!。,=pp-1x圭+qq-1y圭+2pqxy =-pqx圭-pqy圭+2pqxy =-pq(x-y)圭 ×p、q脅葎屎÷T+0 ÷pxqyヽ2+p

≧×匯j--,匯×繁宸:i-\×a=i-j.b=mi+〔2j.===>|a|=〔2,|b|=〔(2+m²).ab=m-〔2.cos120º=-1/2.÷喇ab=|a|〜|b|cos

×匯紐眠,1匯秘´,指基挫尋斬苫高,耽匯頭埖弼,耽匯蕗養貯,耽匯蕗溌畦,壓絞腟勅拝簷詭縣蛄,脅頁梁哲議. 耽匯倖白埀,耽匯倖白錦,耽匯倖縮膳,耽

\葎慕遮\y×匯蛍銚哘紗貧此4/9=16/36=4+12/9+27,÷湘蛍岻膨議蛍徨紗貧12 勣頁圻蛍方寄弌音延,蛍銚哘紗貧27.

1〔i^、;匯×笥嚥匯×匯`嬖i:。富`arg(z) = arctan(y/x)|z| = 〔(x² + y²)×arg(z) = - π/4 |z| = 〔(1² + (- 1)&#

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