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I can provide good answers to questions dealing in almost all of mathematics especially from A`Level downwards. I believe i would be very helpful in calculus and can as well help a good deal in Physics with most emphasis directed towards mechanics.

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An engineering graduate. I have been doing maths and physics all my life.

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    K = Knowledgeability    C = Clarity of Response    P = Politeness
UserDateKCPComments
Vimal12/19/11101010Thanks for the response.
Patti12/13/11101010 
kevin12/04/11thanks a lot..
Kevin11/07/11101010Clear and to the point answer. Thanks
Ghutty10/22/11101010Awesome.Thank you so much Prof.Your .....

Recent Answers from Ahmed Salami

2011-12-06 An inequality question:

Hi Patti,  In the first scheme, the pay in dollars  P1= 1000 + 20h  where h is the number of hours worked.  In the second  P2 = 25h    Now, for P1 < P2

2011-11-24 calculus:

Hi Kevin,  For a quadratic form x² + kx, we complete the square by adding (k/2)² and then factorising as (x - k/2)².  So, for f(x) = x² - 6x + 14  f(x) = x² - 6x + 3² - 3² + 14  = (x² - 6x + 9) + (14 -

2011-11-10 Calculus help:

Hi Abirami,  x² + 4xy - y² = 8  Differentiating with respect to x  2x + 4(xy' + y) - 2yy' = 0  2x + 4xy' + 4y - 2yy' = 0  2x + 4y = 2yy' - 4xy'  x + 2y = yy' - 2xy'  y' = (x + 2y)/(y - 2x)    To find y''

2011-11-04 Logarithmic Functions:

Hi Kristen,  S(x) = ln(x+2)  D(x) = 10 - ln(x+1)  There is market equilibrium when S(x) = D(x), i.e  ln(x+2) = 10 - ln(x+1)  ln(x+2) + ln(x+1) = 10  ln[(x+2)(x+1)] = 10  (x+2)(x+1) = e^10  x² + 3x + 2

2011-11-03 Getting wrong root for an equation:

Hi Shameem,  By squaring both sides you get  abs(x) = (x+5)²/36  You need to realise here that;  abs(x) = x for x > 0  and abs(x) = -x for x < 0  You therefore solve the equations;  x = (x+5)²/36    (remembering

 

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