Answers created by mason m

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• What is the integral of `int(x tan^-1 x)/(1+x^2)^(3/2)` ?
  
• Given x(t)=3sin(t) - 3, y(t)=t-1 for 0 is less than or equal to t is less than or equal to 2pi How do you find the velocity of the particle at t=3?
  
• How do you find the average rate of change of `f(t)= 2t + 7` from [1,2]?
  
• What is `int (sin^2x)/(cos^3(x)) dx`?
  
• How do you find the arc length of the curve `y=(5sqrt7)/3x^(3/2)-9` over the interval [0,5]?
  
• What is the equation of the normal line of `f(x)=(x-3)^3(x+2)` at `x=-1`?
  
• Find the derivative of the function y=x² /arctgx ?
  
• Derivative of x^(lnx)^ln(lnx)?
  
• What is the integral of `int secx/tan^2x dx`?
  
• How to differentiate tany = ((3x-x^3)/(1-3x^2)) ?
  
• How do you solve `z+ 8+ 3z \leq - 4`?
  
• Are the rules for using semicolons different for writing poetry than the rules for their use with just normal writing?
  
• How do you integrate `int x^2/sqrt(16-x^2)` by trigonometric substitution?
  
• How solve it? Topic: DERIVATE
  
• What is the arc length of `f(x)=x^2/sqrt(7-x^2)` on `x in [0,1]`?
  
• If `tan (x) =5/12`, then what is sin x and cos x?
  
• How do you differentiate `y= x^(11cosx)`?
  
• How do you factor `cos^2 x+7 cos x+8`?
  
• Given a term in an arithmetic sequence and the common difference, find the term named in the problem?
  
• How do you integrate `int 1/sqrt(3x-12sqrtx-21)` using trigonometric substitution?
  
• How do you find the derivative of `y = ln(1-(x^2))`?
  
• How do you find the integral of `f(x)=x^nsinx^(n-1)` using integration by parts?
  
• 2 ln x^2-ln x?
  
• Write a definite integral that yields the area of the region. (Do not evaluate the integral.)?
  
• How to find the Maclaurin series and the radius of convergence for `f(x)=1/(1+x)^2`?
  
• How do you integrate `int sqrt(4-x^2)/x`?
  
• `dy/dx = sqrt(x/y)` ?
  
• How to solve this logarithmic function?
  
• What is the derivative of `f(x)=cos^-1(x)` ?
  
• Find the arc length of the function `y=1/2(e^x+e^-x)` with parameters `0\lex\le2`?
  
• Find the derivative?
  
• What is `int(sinx)/(cos^2 x) dx`?
  
• How do you integrate `int x^2 sin^2 x^2 dx` using integration by parts?
  
• How do you differentiate the following parametric equation: `x(t)=sqrt(t-2), y(t)= t^2-2t^3e^(t)`?
  
• Defferentiate f(x) = x-1/x+1 ? Thank you
  
• What is the derivative of sin x / cos ^2 x - 1 ?
  
• How do you integrate? `int_sqrt(2)^2dx/(x^5*sqrt(x^2-1))`
  
• How do you simplify `8^(4/3)`?
  
• How do you find the integral of `f(x)=1/(1-sinx)` using integration by parts?
  
• Question #92eb0
  
• Question #e7870
  
• In a series of 2n observations, half of them equal a and remaining half -a.If the standard deviation of the observations is 2,then |a| equals ?
  
• A dice is rolled. What is the probability of P(odd)?
  
• What is the formula of the expected value of a geometric random variable?
  
• Calculating areas bounded by polar curves looks extremely difficult. Do Americans really need to integrate such a complex expressions without a calculator?
  
• Question #e40e5
  
• How do you solve the system of equations `2x+2y=4` and `12-3x=3y`?
  
• Question #60b11
  
• Question #678c2
  
• Question #678c2
  
• Question #7d5b1
  
• Find the smallest positive x-value where f(x)=x+4sin(2x) has a horizontal tangent line?
  
• Question #aa777
  
• What is the slope of the tangent line of `r=(sin^2theta)/(theta-thetacos^2theta)` at `theta=(pi)/4`?
  
• Question #a5f39
  
• Question #1f1f7
  
• Question #8842f
  
• 3x + 5y + 5z = −2 −3x + −1y + 0z = 7 −6x + 6y + 10z = k For what value of k is this system consistent?
  
• `\int_0^1e^x/(1+e^(2x))dx=?`
  
• Question #68d98
  
• How do you solve `tan^ (-1) (1)+ cos ^(-1)(-1/2) + sin ^-1(-1/2)`?
  
• How do I take the integral of this?
  
• `limxrarra (x^2-a^2)/(sqrtx-sqrta)=32` What value should "a" have?
  
• What is the derivate for `2013root2013x` ?
  
• What is the equation of the tangent line of `f(x) =sqrt(tanx-sinx)` at `x = pi/4`?
  
• Ball `A` is dropped from rest from a building of height `H` exactly when ball `B` is thrown up vertically. When they collide `A` has double the speed of `B`. If the collision occurs at height `h` what is `h/H`?
  
• Calculate `int_0^(2pi) cos^2x .dx`?
  
• Question #5d4b5
  
• Question #5d4b5
  
• What is the slope of the polar curve `f(theta) = theta^2-theta - cos^3theta + tan^2theta` at `theta = pi/4`?
  
• What is the slope of the polar curve `f(theta) = sectheta - csctheta` at `theta = (5pi)/4`?
  
• How to find `lim(ln(2x)/(2+x)) x->` infinity?
  
• Question #c5cab
  
• How to express this equation in terms of m and n ?
  
• How to integrate? `int sec^3 x cot^2 x dx`
  
• Please tell me how to solve it?
  
• Question #0a663
  
• Differentiate y=a^x^a^x^a----to infinity?
  
• How can i solve this integral? `int (2/(5x)sqrt (3+4/x^2)dx`
  
• How do you implicitly differentiate `csc(x^2/y^2)=e^(xy)`?
  
• Differentiate Tan^-1y=x^3?
  
• How do you graph `y=ln(x-k)+2`?
  
• Question #34e5a
  
• Question #2a34f
  
• Question #4123b
  
• How do you evaluate `1200=300(1+r)^{5}`?
  
• Question #85def
  
• Question #a4e1a
  
• What is `3sqrt(8^2)` ?
  
• Question #06cb7
  
• What is the equation of the line tangent to `f(x)=2x-secx` at `x=pi/4`?
  
• Question #082ad
  
• Question #b8966
  
• How do you find the equation of the tangent line `y=sinx` at `(pi/6, 1/2)`?
  
• Question #fcb11
  
• How do you find the derivative of `6(z^2+z-1)^-1`?
  
• What is `f(x) = int tanx dx` if `f(pi/8) = 0`?
  
• How do you find the limit of `\lim _ { x \rightarrow - 2} \frac { x + 2} { x ^ { 2} + 6x + 8}`?
  
• How do you differentiate `y=(x^2+4x+3)/sqrtx`?
  
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