Lopez

[匿名]

回覆: 1

2016-06-19 6:35 am

ysin(x+y)dA R:-π <=x<=0 0<=y<=π 請問這個雙重積分如何解呢?

淑玲

回覆: 1

2016-06-18 4:44 am

1.已知多項式f(x)與g(x)滿足f(x)-g(x)=x^3-5x^2+x+1，且g(x)有因式x-1，求f(x)除以x-1的餘式. 2.已知二虛數k與k^2都是實係數方程式x^3+ax^2+bx+1的根，求(1)k的值. (2)a，b的值.?

[匿名]

回覆: 2

2016-06-16 3:16 pm

1^4+2^4+3^4+...+n^4 等於多少(數學)?

[匿名]

回覆: 2

2016-06-16 5:51 am

微積分 dy/dx求解?

[匿名]

回覆: 1

2016-06-16 5:39 am

微積分 積分題目求高手解答?

用戶40441

回覆: 1

2016-06-15 8:35 am

variations?

[匿名]

回覆: 1

2016-06-14 1:16 pm

1.化簡(根號3+根號2)(根號21-根號14)分之根號28=? 2.設f(x)為二次多項式,且滿足f(3)=f(4)=1,f(2)=7,試求f(5)之值 3.方程式x(x+1)(x+2)(x+3)-24=0共有?個實數解?

[匿名]

回覆: 1

2016-06-14 1:20 pm

1.設方程式x平方-kx-27=0之一根為另一根之平方,則k值為? 2.方程式(x平方+5x)平方+10(x平方+5x)+24=0之四根為何?

用戶40441

回覆: 1

2016-06-14 10:19 am

Rate and Ratio?

[匿名]

回覆: 1

2016-06-13 11:29 am

請問我有一個EXCEL表格,想把A2到A26的資料想隨機選5個為一組,列在C2到G2,C3到G3請問要怎麼列公式,謝謝?

[匿名]

回覆: 1

2016-06-10 4:46 am

請問 Excel vba 我有一個資料表 A1:H10 裡面有許多隨機數字與無資料 要把無資料的部分填上#N/A 這個VBA要怎麼寫呢? 謝謝?

[匿名]

回覆: 1

2016-06-09 9:28 am

Probability and Statistics question, need help?

[匿名]

回覆: 1

2016-06-09 7:06 am

1. If mth term is 1/n and nth term is 1/m in an A.P, prove that the sum of first (mn) terms of the series is [mn+1]/2?

[匿名]

回覆: 1

2016-06-08 8:24 am

兩點座標P1,P2為一直線L1，求第三點P3與L1的垂直交點。?

[匿名]

回覆: 1

2016-06-07 10:49 am

Maths ,請用英文答加步驟?

[匿名]

回覆: 1

2016-06-06 12:18 pm

微積分 Evaluate the area of the surface over a cone : r(u,v)=<u,u*cos(v),u*sin(v)> , where 0≦u≦1, 0≦v≦2π?

[匿名]

回覆: 1

2016-06-06 4:29 pm

ln[(s-1)/(s+1)] Laplace inverse的詳細過程?

[匿名]

回覆: 1

2016-06-06 12:36 pm

幫求解方程 3a^4+4La^3-L^3a=0?

[匿名]

回覆: 1

2016-06-05 7:06 pm

excel特定百分比亂數產生方法?

[匿名]

回覆: 1

2016-06-05 1:26 pm

求足球各個陣型 位置的縮寫?

[匿名]

回覆: 1

2016-06-04 4:44 am

Find the resultant vector in situation 300km/h[45°]+400km⁄h[315°]?

[匿名]

回覆: 1

2016-06-02 7:46 pm

Secondary 3 maths question?

[匿名]

回覆: 1

2016-06-02 12:51 pm

試算電腦時間的今日與指定日期的差異天數?

[匿名]

回覆: 1

2016-06-01 11:57 pm

System of equations help?

[匿名]

回覆: 1

2016-06-01 4:11 pm

Graph of equation y^2 = 2x from A(0, 0) and B(2, 2) is resolved around the x-axis. The surface area of resulting solid is?

[匿名]

回覆: 1

2016-06-01 1:41 pm

excel 公式+算術問題 ((( 很簡單但是我腦袋有點卡....?

[匿名]

回覆: 1

2016-05-30 10:52 am

你好!! 想請問是怎麼算出?謝謝!! 輸入兩個 1 位元的數 X 與 Y，下列何者為能判斷（ X ≥ Y ）的布林運算式？（ X ≥ Y 則輸出 1，反之則輸出 0） (a) Y+X'●Y' (b) Y+X●Y' (c) X+X'●Y (d) X+X'●Y' 答案是d?

[匿名]

回覆: 1

2016-05-27 3:58 pm

Which is the area of the figure formed by rotating AB with endpoints A(0,5,9) and B(0,0,9) about the z - axis?

[匿名]

回覆: 1

2016-05-26 2:08 am

Differential equation word problem help please. Thank you very much?

[匿名]

回覆: 1

2016-05-24 9:52 am

EXCEL橫式資料轉置為直式?

[匿名]

回覆: 1

2016-05-23 9:17 am

某縣市戶政區公所的辦公室分布於 1﹐2﹐3 這三層樓。任一洽公民眾到某一樓層洽公的機率相同。試問： (1) 今有兩位市民要洽公﹐則他們在不同樓層洽公的機率是多少？ (2) 今有三位市民要洽公﹐則至少有兩人在同一樓層洽公的機率是多少？

[匿名]

回覆: 1

2016-05-23 9:21 am

彩券所發行的金彩539的玩法為：由01~39中任選5個號碼投注.開獎單位隨即開出5個號碼為中獎號碼，若選出的5個號碼均與開獎號碼相同，則中頭獎. 若某人從39個號碼中挑選20個，再把所有可能均予簽注，稱為「包牌」，只要開出的5個號碼在這20個內，則頭獎必中無疑，?

[匿名]

回覆: 1

2016-05-22 12:29 pm

跪求高中數學排列組合高手(請詳細說明解題過程，謝謝！)?

[匿名]

回覆: 1

2016-05-20 7:02 am

A company has found that the number of items sold, x, depends upon the price, p at which they're sold, according.?

[匿名]

回覆: 1

2016-05-16 7:41 am

A surface is defined by the following equation: z(x,y)= 2x/(1+y^2) - exp(3 ln(x+y))?

[匿名]

回覆: 1

2016-05-15 4:55 am

Solve second order ode x*y''(x)+2*y'(x)=0 by trying y(x)=x^m?

[匿名]

回覆: 1

2016-05-14 3:16 am

Help with math problem for linear?

[匿名]

回覆: 1

2016-05-12 10:13 am

請教EXCEL高手 例如:A1有"x"B1跟C1沒東西D1就不會出現任何東西. 這時在B1或C1裡加個"x",D1就會出現1 反正就是不管A1.B1.C1只要裡面出現兩個以上包含三個"x"D1就會出現1 請問D1函式該怎麼輸入?

[匿名]

回覆: 1

2016-05-10 3:27 am

.母體平均數及標準差的點估計值為何？

¬I¥Ã«H

回覆: 1

2016-05-09 5:03 pm

設X>或=0，Y>或=0，Z>或=0且X+Y+Z=1，試求滿足P=2X-Y+3Z，Q=3X+2Y+4Z之點(P，Q)所形成的面積為多少？

[匿名]

回覆: 2

2016-05-09 2:45 am

An operation manager at an electronic company wants to test their amplifiers. (STAT QUESTION)?

[匿名]

回覆: 1

2016-05-08 6:40 am

Maths question about capacity?

Ls

回覆: 1

2016-05-07 6:42 am

math integration?

[匿名]

回覆: 1

2016-05-04 3:50 pm

EXCEL，每三格匯入一個TXT檔案?

[匿名]

回覆: 1

2016-05-04 12:17 am

Find the general solution of the linear equation: y dx + -2(x+y^6) dy = 0?

[匿名]

回覆: 1

2016-05-01 6:57 am

請問下圖的巴斯卡三角形的空格如何解出?

[匿名]

回覆: 1

2016-04-20 11:40 pm

math help best answer and 5 stars?

[匿名]

回覆: 2

2016-04-24 1:22 pm

請問如何解下面的題目?

[匿名]

回覆: 1

2016-04-24 4:51 am

將A、B、C、D、E....等9本不同的書平均分給甲乙丙3人，其中甲必須得到A、B、C3本中的其中一本，則分法共有幾種?

[匿名]

回覆: 1

2016-04-23 2:21 am

Calc. Help Please?