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Sagot :

NJJ2334

f'(x)=3(2x-5)^2 ×2

=3(4x^2-20x+25) ×2

=6(4x^2-20x+25)

=24x^2-120x+150

g'(x)=4(7-3x)^3 ×-3

=-12(7-3x)^3

h'(x)=-3(2x+1)^-4 ×2

=-3×1/(2x+1)^4 ×2

=-6/(2x+1)^4

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