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i have solved it~

1) if dy/dx = x√x^2-4, and y=2 when x=√5, find y in terms of x. (use the substitution u = x^2 - 4) 2) if f`(x) = 3x/√(x^2+1) for all x, find f(x) given that f(0) = 2. (use the substitution u=x^2+1) 3) if dx/dt = t-1/√(t^2 - 2t + 4) and x = 10 when t =0, find x in terms of t. (use the...

hey,i need a math tutor who can teach yr12 2u and 3u math.plz inbox me if you are interested,thank you!

hey,i need a math tutor who can teach yr12 2u and 3u math.plz inbox me if you are interested,thank you!