which-of-the-following-could-be-the-interval-of-convergence-for-the-power-series

Question

Which of the following could be the interval of convergence for the power series ∑ck(x−4)k\sum c_{k}$$(x-4)^{k}$$?

Accepted Answer

(0,8)(0,8)

Answer

(1,9)(1,9)

Answer

(2,7)(2,7)

Answer

(−1,5)(-1,5)

Which of the following could be the interval of convergence for the power series ∑ck(x−4)k\(\sum\) c_{k}(x-4)^{k}?