Recent content by latkan

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    Process engineering mass balance in the douglas aproach

    Hey guys i was hoping for some help with the mass balance of the equations for the production of styrene from ethylbenzene. I have attached my problem sheet and my answer sheet, q 7 is what i am stuck on please help me i am confused
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    Gaus -jordan elimination compared to cofactor method

    Hey guys i am stuck with the gaus jordan method of the following matrix. A = 1 2 3 4 5 6 3 1 -2 For the co factor i worked out the C transpose as: 1/3 (-16 7 3 26 -8 6 -11 5 -3) The gaus jordan is suppoesed to agree with my final cofactor matrix but i can't seem to understand how...
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    Solving Complex Number Homework Problems

    Homework Statement 1. (a) Express -1 + √3i in modulus-argument form. Evaluate (-1 + √3i)^8 expressing your answer in (a + ib) form. Find also the square roots of -1 + √3i in (a + ib) form. (b) Use complex numbers to find (intergral is between 0 and ∞) ∫ e^-x cos2x dx. 2. (a)...
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    Maths questions on dot product, vectors?

    Homework Statement 1. (a) Define carefully the dot and vector products of two vectors a and b. (b) Show, using the dot product, that if c - d and c + d are perpendicular then |c| = |d|. (c) The vectors a = i+2j and b = i - 2j + k form two sides of a triangle. Use vector methods to find...
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    Poisson distribution and binomial distribution questions

    Please help with this thanks :) 1. (a) Define the Poisson probability distribution with mean μ. (b) Write down the binomial distribution for x successes in n independent trials each with probability p of success. (c) On average, 0.15% of the nails manufactured at a factory are known to...
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