Recent content by rasi

  1. R

    Derivative of Lx^2+Ly^2+Lz^2 =?

    yes. just as you said.
  2. R

    Derivative of Lx^2+Ly^2+Lz^2 =?

    So how can i go on. In no way i coulnd't tackled it. Thanks for your help...
  3. R

    Derivative of Lx^2+Ly^2+Lz^2 =?

    Thanks for your helpings...
  4. R

    Are Absolute Harmonicity and Analyticity Related in Functions?

    1) If a function is analytic, might its imaginary and real parts be called absolutely harmonic? 2) If real and imaginary parts of a function is not harmonic, then it can't be analytic? Are these statements true or false? thanks
  5. R

    Find Analytic Functions with u(x,y)=(x^2)+(y^2)

    is it anaytic at (0,0) ?
  6. R

    Find Analytic Functions with u(x,y)=(x^2)+(y^2)

    but it doesn't satisfy except (0,0)
  7. R

    Find Analytic Functions with u(x,y)=(x^2)+(y^2)

    How can I find all analytic functions f=u+iv with u(x,y)=(x^2)+(y^2) Thanks for the help. I appreciate it.
  8. R

    What is the integral of ln(9-x) over ln(9-x) plus ln(x+3)?

    could you look at this problem please. thanks for now. \int_{2}^{4}\frac{\sqrt{ln\left ( 9-x \right )}}{\sqrt{ln\left ( 9-x \right )}+\sqrt{ln(x+3)}}dx
  9. R

    A problem about differentiability

    as you know i have been asked a question which no no way i couldn't tackle it. and its is about differentiabilty. at long last i found a solution. i want to share with you. could you check out please. thanks for now.this is the question. and this is my solution.(i assume that when x goes...
  10. R

    Can Wolfram Alpha Solve My Integral Problem for ln(x)/(1+x)^2?

    in no way i couldn't tackle this problem. could you help me please. and i wonder is there any application/pc program which is solving limit derivative and integral. Like MathXpert. any help will be appriciated.
  11. R

    Troubleshooting Series: Overcoming a Persistent Problem

    you right. this book is very difficult. is there any book that you know which is starting elementary? and has much examples with solutions. about sequences, series, limit, differentiable, derivative, integral
  12. R

    Troubleshooting Series: Overcoming a Persistent Problem

    first of all thank for everything... i have been awaken after the event. i have been send it.
  13. R

    Troubleshooting Series: Overcoming a Persistent Problem

    could you explain using the "homework template". i'am a little while ago member in this community. this is my trial.
  14. R

    Troubleshooting Series: Overcoming a Persistent Problem

    i tried... i can't get tackle with this problem no matter how hard i try. please help me.
  15. R

    A problem about differentiability

    i tried to solve this problem. i can do it a little. but i can't progress. as far as I'm concerned, it requires outstanding performance. thanks for now... PROBLEM MY SOLUTION...
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