what is the both answer Iva https://www.webassign.netweb/student/Assignment-Resp

Question

what is the both answer

Iva https://www.webassign.netweb/student/Assignment-Responses/submit?dep=171 - Consider the following series (cos 21)k (a) Determine whether the series is convergent or divergent. O convergent O divergent (b) If it is convergent, find its sum. (Otherwise enter DNE.) 0.51 points | Previous Answers SCalcCC4 8.2.028 Consider the following series 10.5)"-1-(0.4)"] (a) Determine whether the series is convergent or divergent. convergent O divergent (b) If it is convergent, find its sum. (Otherwise enter DNE.) Submit Answer Save Progress Practice Another Version 6. 0.51 points 1 Previous Answers SCalcCC4 8.2,029 Consider the following series 6 en n n+l

Explanation / Answer

as in both question series is geometric whose sum is a/(1-r) where a is first term and r is ratio between two consecutive terms

a) sum =cos(21)/(1-cos(21)) =-0.3539

b)sum = 1/(1-0.5) -0.4/(1-0.4) =2-2/3 =4/3 =1.3333

please revert for any clarification required

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.