y = 2/x^3 find and expression for dy/dx
y = 2 x-3 simpler to differentiate in this form dy/dx = (-3)(2 x-4) multiply by power out the front and subtract one from the powerdy/dx = -6/x4 simplified version of above equation
RB
Related Maths A Level answers
All answers ▸Prove by induction that, for n ∈ Z⁺ , [3 , -2 ; 2 , -1]ⁿ = [2n+1 , -2n ; 2n , 1-2n]
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