Quelle est la valeur de chacun des termes u_{0}, u_{1}, u_{2} et u_{3\\} pour la suite u_n définie par :

\forall n \in \mathbb{N}, u_{n}= 2n^{2} - 3

u_{0} = -3, u_{1} = -1, u_{2} = 5, u_{3} = 15

u_{0} = -3, u_{1} = -1, u_{2} = 13, u_{3} = 15

u_{0} = -3, u_{1} = -1, u_{2} = 5, u_{3} = 65

u_{0} = -3, u_{1} = 15, u_{2} = 547, u_{3} = 598 415

\forall n \in \mathbb{N}, u_{n}= 2n^{2} - 3

u_{0} = 2\times0^{2} - 3 = 0 - 3 = -3
u_{1} = 2\times1^{2} - 3 = 2 - 3 = -1
u_{2} = 2\times2^{2} - 3 = 8 - 3 = 5
u_{3} = 2\times3^{2} - 3 = 18 - 3 = 15

u_{0} = -3
u_{1} = -1
u_{2} = 5
u_{3} = 15

Quelle est la valeur de chacun des termes u_{0}, u_{1}, u_{2} et u_{3\\} pour la suite u_n définie par :

\forall n \in \mathbb{N}, u_{n}=2^{n}

u_{0}=1, u_{1} = 2, u_{2}=4, u_{3}=8

u_{0}=0, u_{1} = 2, u_{2}=4, u_{3}=8

u_{0}=1, u_{1} = 2, u_{2}=4, u_{3}=256

u_{0}=1, u_{1} = 2, u_{2}=16, u_{3}=8

\forall n \in \mathbb{N}, u_{n}=2^{n}

u_{0}=2^{0} = 1
u_{1} = 2^{1} = 2
u_{2} = 2^{2} = 4
u_{3} = 2^{3} = 8

u_{0}=1
u_{1} = 2
u_{2}=4
u_{3}=8

Quelle est la valeur de chacun des termes u_{0}, u_{1}, u_{2} et u_{3\\} pour la suite u_n définie par :

\forall n \in \mathbb{N}, u_{n}= 2n +3

u_{0} = 3, u_{1} = 5, u_{2} = 7, u_{3} = 9

u_{0} = 3, u_{1} = 9, u_{2} = 7, u_{3} = 9

u_{0} = 3, u_{1} = 5, u_{2} = 10, u_{3} = 9

u_{0} = 3, u_{1} = 5, u_{2} = 7, u_{3} = 3

\forall n \in \mathbb{N}, u_{n}= 2n +3

u_{0} = 2 \times 0 + 3 = 3
u_{1} = 2 \times 1 + 3 = 5
u_{2} = 2 \times 2 + 3 = 7
u_{3} = 2 \times 3 + 3 = 9

u_{0} = 3
u_{1} = 5
u_{2} = 7
u_{3} = 9

Quelle est la valeur de chacun des termes u_{0}, u_{1}, u_{2} et u_{3\\} pour la suite u_n définie par :

\forall n \in \mathbb{N}, u_{n}=\dfrac{1}{n+1}+3

u_{0}=4, u_{1} = \dfrac{7}{2}, u_{2}=\dfrac{10}{3}, u_{3}=\dfrac{13}{4}

u_{0} = \dfrac{1}{4}, u_{1} = 5, u_{2} = 7, u_{3} = 9

u_{0} = 3, u_{1} = 6, u_{2} = 7, u_{3} = 9

u_{0} = 3, u_{1} = 5, u_{2} = 7, u_{3} = 6

\forall n \in \mathbb{N},u_{n}=\dfrac{1}{n+1}+3

u_{0}=\dfrac{1}{0+1}+3=4
u_{1}=\dfrac{1}{1+1}+3=\dfrac{1}{2}+3=\dfrac{7}{2}
u_{2}=\dfrac{1}{1+2}+3=\dfrac{1}{3}+3 = \dfrac{10}{3}
u_{3}=\dfrac{1}{1+3}+3×3=\dfrac{1}{4}+3=\dfrac{13}{4}\\

u_{0}=4
u_{1} = \dfrac{7}{2}
u_{2}=\dfrac{10}{3}
u_{3}=\dfrac{13}{4}

Quelle est la valeur de chacun des termes u_{0}, u_{1}, u_{2} et u_{3\\} pour la suite u_n définie par :

\forall n \in \mathbb{N}, u_{n}=\sqrt{n+2}

u_{0}=\sqrt{2}, u_{1} = \sqrt{3}, u_{2}=2, u_{3}=\sqrt{5}

u_{0}=1{,}41, u_{1} = 1{,}73, u_{2}=2, u_{3}=2{,}23

u_{0}=\sqrt{2}, u_{1} = 2, u_{2}=\sqrt6, u_{3}=\sqrt{8}

u_{0}=1, u_{1} = 0, u_{2}=2, u_{3}=1

\forall n \in \mathbb{N}, u_{n}=\sqrt{n+2}

u_{0} = \sqrt{0+2} = \sqrt{2}
u_{1} = \sqrt{1+2} = \sqrt{3}
u_{2} = \sqrt{2+2} = \sqrt{4} = 2
u_{3} = \sqrt{3+2} = \sqrt{5}

u_{0}=\sqrt{2}
u_{1} = \sqrt{3}
u_{2}=2
u_{3}=\sqrt{5}

Quelle est la valeur de chacun des termes u_{0}, u_{1}, u_{2} et u_{3\\} pour la suite u_n définie par :

\forall n \in \mathbb{N}, u_{n}= n+2

u_{0} = 2, u_{1} = 3, u_{2} = 4, u_{3} = 5

u_{0} = 2, u_{1} = 4, u_{2} = 6, u_{3} = 8

u_{0} = -2, u_{1} = -1, u_{2} = 0, u_{3} = 1

u_{0} = 0, u_{1} = 2, u_{2} = 4, u_{3} = 6

\forall n \in \mathbb{N}, u_{n}= n+2

u_{0} = 0 + 2 = 2
u_{1} = 1 + 2 = 3
u_{2} = 2 + 2 = 4
u_{3} = 3 + 2 = 5

u_{0} = 2
u_{1} = 3
u_{2} = 4
u_{3} = 5