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First of all you calculate dy/dx. To do this you look at each x individually. For the first x you multiply it by it's power and then minus 1 from the power to get 3x^2. Then multiply the next x by the pow...
so the first step would be to deal with the minus in the indice, which gives you the reciprocal making it1/49^(3/2)you then approach the rest of the indice which is 3/2, the simplest way to do this is to ...
· In a binomial probability question that only asks you for one single probability (e.g. P=48), use binompdf· In a binomial probability question that asks you for multiple probabilities (...
First you need to expand and simplify two of the brackets, say (3x-1)(2x+1). There's 2 elements in the first bracket and 2 elements in the second, so you should end up with 22=4 elements in the expans...
because the equation is made up of two functions we can think of them separately when differentiating:f(x)= x^3 f'(x)= 3x^2g(x)= e^x g'(x)= e^xdy/dx= (3x^2e^x)+ (x^3e^x)
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