thilina-g
thilina-g
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November 5, 2011
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College - Junior
Engineering
Chemical engineering, process modelling, biorenewable energy sources and bioethanol
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Answered a Question in Math
The function f(x) is defined over three regions. f(x) = `(4x^2-3)/(3x^2-15)`...
Answered a Question in Math
let the first integer be 'n' then other two integers are, (n+1) and (n+2)...
Answered a Question in Math
The two parallel planes of this prismatoid is lieing on y=0 plane and on y=2...
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The definition of the derivative of f(x), `f'(x) = lim_(h-gt0)[f(x+h)-f(x)]/h` ...
Answered a Question in Math
`f(x) = 2x^2+5` domain of f(x) is any integer, since x^2 is defined for every real...
Answered a Question in Math
Let's say, `y = 7-e^(-x)` `e^(-x) = 7-y` `log(e^(-x) ) =log(7-y)`...
Answered a Question in Math
To find the intersection point you can equate the two expressions. `y(1) = y(2)` ...
Answered a Question in Math
In general terms, `S_n` is the sum of first n terms and `S_(n-1)` is the sum of...
Answered a Question in Math
We can use differentiation to tackle this kind of problem. For a sphere, V =...
Answered a Question in Math
`lim_(y-gt4)(5-sqrt(y^2+9))/(y-4)` Now if you try to substitute y =4, and try to...
Answered a Question in Math
`lim_(z-gtoo)(3z-2)/(z^2-6z+1)^(1/2)` If we try to apply limits straight away, you...
Answered a Question in Math
We have two equations `sqrt(x)+sqrt(y) = 16` --------->1 `x -y = -128`...
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The domain of a function f(x) are the x values in which the function f(x) is...
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If the angle A is in the fourth and final quarter (270 to 360), then sine is...
Answered a Question in Math
The terminal arm of the angle contains the point, x=3 and y =4 Therefore we can...
Answered a Question in Math
Now this is in the form of an addition. cos(30-A)+sin(60+A) and they are in...
Answered a Question in Math
The primary trignometric function which is positive in -pi<angle<pi is...
Answered a Question in Science
You need some more data as well. The heat capacity of lead. Cp and the Latent heat...
Answered a Question in Chemistry
if the carbon is 85.7% by mass then, C mass:H mass = 85.7:(100-85.7)...
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P(Rotten mango) = 0.05 P(Not rotten mango) = 1 - 0.05 = 0.95 P(all the 8...
Answered a Question in Math
This can be done by using integrals. First we shall change the function, by using...
Answered a Question in Math
This can be done by using integrals. No if we draw this function inx,y cartesian...
Answered a Question in Math
You can sketch the graph for f(x) and check this(Negative infinity to A) - Concave...
Answered a Question in Math
(Negative infinity to A) - Decreasing, since f'(x) is negative in the region(A,B)...
Answered a Question in Math
[Copy-pasted to the first box. KH] First part repeat - I have doen some mistakes...
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