সমাধান - জ্যামিতিক ধারা

সিরিজের সাধারণ রূপ খুঁজে পেতে, প্রথম পদ: $$a=636$$ এবং সাধারণ অনুপাত: $$r=0.03459119496855346$$ জ্যামিতিক সিরিজের সূত্রে প্লাগ করুন:

$$a_1=636$$

$$a_2=a_1·r^{n-1}=636\cdot {0.03459119496855346}^{2-1}=636\cdot {0.03459119496855346}^1=636\cdot 0.03459119496855346=22$$

$$a_3=a_1·r^{n-1}=636\cdot {0.03459119496855346}^{3-1}=636\cdot {0.03459119496855346}^2=636\cdot 0.001196550769352478=0.761006289308176$$

$$a_4=a_1·r^{n-1}=636\cdot {0.03459119496855346}^{4-1}=636\cdot {0.03459119496855346}^3=636\cdot 4.139012095244421E-05=0.026324116925754516$$

$$a_5=a_1·r^{n-1}=636\cdot {0.03459119496855346}^{5-1}=636\cdot {0.03459119496855346}^4=636\cdot 1.4317337436380071E-06=0.0009105826609537726$$

$$a_6=a_1·r^{n-1}=636\cdot {0.03459119496855346}^{6-1}=636\cdot {0.03459119496855346}^5=636\cdot 4.952538106923924E-08=3.1498142360036156E-05$$

$$a_7=a_1·r^{n-1}=636\cdot {0.03459119496855346}^{7-1}=636\cdot {0.03459119496855346}^6=636\cdot 1.7131421124579612E-09=1.0895583835232633E-06$$

$$a_8=a_1·r^{n-1}=636\cdot {0.03459119496855346}^{8-1}=636\cdot {0.03459119496855346}^7=636\cdot 5.925963282087287E-11=3.768912647407515E-08$$

$$a_9=a_1·r^{n-1}=636\cdot {0.03459119496855346}^{9-1}=636\cdot {0.03459119496855346}^8=636\cdot 2.049861512671703E-12=1.3037119220592032E-09$$

$$a_{10}=a_1·r^{n-1}=636\cdot {0.03459119496855346}^{10-1}=636\cdot {0.03459119496855346}^9=636\cdot 7.09071592433608E-14=4.5096953278777467E-11$$