Qual o limite da função ? Quando x tende a 3pi/2?
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lim -(4/9)*x² sen(x)
x-->3pi/2
=-(4/9) * (3pi/2)² * sen(3pi/2) ......sen(3pi/2) =-1
=-(4/9) * (9pi²/4) * (-1)
=-(4/9) * (9pi²/4) * (-1)
=-(-1) *(4/9) * (pi²) * (9/4)
=-(-1) *(4/9) * (9/4) * (pi²)
=1 *1 * (pi²)
=pi²
x-->3pi/2
=-(4/9) * (3pi/2)² * sen(3pi/2) ......sen(3pi/2) =-1
=-(4/9) * (9pi²/4) * (-1)
=-(4/9) * (9pi²/4) * (-1)
=-(-1) *(4/9) * (pi²) * (9/4)
=-(-1) *(4/9) * (9/4) * (pi²)
=1 *1 * (pi²)
=pi²
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