Réponse :
Explications étape par étape :
f'(t)=2*2t-5*2t/t^4
f'(t)=4t - 10/t^3
f'(t)=-4-2*(-9t²)/(3t^3)²
f'(t)=-4 +2/t^4
f'(x)= 6/(2√x) -3*(-50x^4)/(10x^5)²
f'(x)=3/√x +3/(x^6)
f'(a)=(-12a^3+2a)(8a^4)-(32a^3)(-3a^4+a²-1)
___________________________________
(8a^4)²
f'(a)=(-96a^7+16a^5+96a^7-32a^5+32a^3)
_________________________
f'a)=(-16a^5+32a^3)/(8a^4)²
f'(a)=16a^3(-a²+2)/(4096a^8)
f'a)=(-a²+2)/(256a^5)
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Réponse :
Explications étape par étape :
f'(t)=2*2t-5*2t/t^4
f'(t)=4t - 10/t^3
f'(t)=-4-2*(-9t²)/(3t^3)²
f'(t)=-4 +2/t^4
f'(x)= 6/(2√x) -3*(-50x^4)/(10x^5)²
f'(x)=3/√x +3/(x^6)
f'(a)=(-12a^3+2a)(8a^4)-(32a^3)(-3a^4+a²-1)
___________________________________
(8a^4)²
f'(a)=(-96a^7+16a^5+96a^7-32a^5+32a^3)
_________________________
(8a^4)²
f'a)=(-16a^5+32a^3)/(8a^4)²
f'(a)=16a^3(-a²+2)/(4096a^8)
f'a)=(-a²+2)/(256a^5)