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lionel

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  • calculus 2 help?

    Find a series which represents the function f(z):

                   zf(z) = int       e^-x^2 dx

                   0

    Mathematics2 months ago
  • calculus 2 help?

    Determine the values of x for which the series converges. Find the sum of the series for those values of x:

    Σ             ((pi/4)^n)/(arctanx)^n

    n=1

    Mathematics2 months ago
  • calculus 2 help?

    Calculate upper and lower bounds for the error in the approximation below. Give exact answers then approximate them to three significant figures:

    Σ         n/e^n ≈ 1/e + 2/e^2 + 3/e^3 + 4/e^4 + 5/e^5 + 6/e^6

    n=1

    Mathematics2 months ago
  • calculus II help?

    Determine the radius of convergence and interval of convergence of the series:

    Σ          (x+3)^n/(2^n √ n)

    n=1

    1 AnswerMathematics2 months ago
  • calculus 2 help?

    Determine if the series converges or diverges. If it converges, find its sum:

    Σ          2/(n^2 + 2n)

    n=3

    2 AnswersMathematics2 months ago
  • Chemistry HW Help?

    A 1.0-liter solution contains 0.25 M NH3 and 0.60 M NH4Br. What is the pH of the solution?

    1 AnswerChemistry4 months ago