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To solve this we must use the chain rule which is dy/dt * dt/dx. Firstly, we differentiate dy/dt. For this we must use the quotient rule, this gives us dy/dt=(9te^3t - 3e^3t)/9t^2. Now for dx/dt, by subst...
Student should factorise equation to (x-2)(x+3) = 0 This gives roots of 2 and -3
Solving a simultaneous equation finds the point(s) where two lines on a graph intercept. Therefore, one way of solving the equations is to plot the two lines onto the same graph and find the coordinates o...
You can not integrate tan2x but you can integrate sec2x Since sec2x = 1 + tan2x Then tan2NPAnswered by Nandini P. • Maths tutor21265 Views
To start with, try and spot whether or not two of the coeffecients (numbers next to the letters) are the same for either question (i.e. could be a 3x in one equation and a 3x in the other). This also work...
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