Calculer chacune des sommes suivantes.
S=\sum_{k=0}^{10}2^k
S=\sum_{k=0}^{22}3^k
S=\sum_{k=0}^{8}5^k
S=\sum_{k=0}^{12}(\dfrac{1}{2})^k
S=\sum_{k=0}^{4}(\dfrac{1}{3})^k
Calculer chacune des sommes suivantes.
S=\sum_{k=0}^{10}2^k
S=\sum_{k=0}^{22}3^k
S=\sum_{k=0}^{8}5^k
S=\sum_{k=0}^{12}(\dfrac{1}{2})^k
S=\sum_{k=0}^{4}(\dfrac{1}{3})^k