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1st we note our three methods for solving 1st order differential equation: separating the x and y variables to both sides of the equation, and integrating both sides with respect to x. Recognising an exac...
To simplify this question, it is possible to expand the two elements of the function and then add the two expansions together.First, the expansion of sin(3x) around the origin is sin(30)+d/dx sin(3x)...
y = arctan(x)Start by taking the tangent of both sides:tan(y) = xTake the derivative of each side with respect to x, using implicit differentiation/the chain rule for the LHS, then rearrange to make dy/dx...
The question may be seen here: https://pmt.physicsandmathstutor.com/download/Maths/A-level/M4/Papers-OCR-MEI/Combined%20QP%20-%20M4%20OCR%20MEI.pdfi) Let A = 4E-4 W, B=1E4 m/s^2 s.t. P = mA...
k = q + 3i and z = k2 - 8k* - 18q2 i. Plug k into w to give: z = (q + 3i)2- 8*(q - 3i) - 18q2 i. k means the compliment of k which just means that the ...
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