WebCorresponding terms of A.P = first and last, second and second last etc. So if an AP is 1,2,3,4,5,6 then corresponding terms are (1,6) , (2,5) , (3,4). Average of the A.P = mean of the corresponding terms e.g: 1+6/2 or 2+5/2 etc Sum of A.P = ( Average of A.P. ) * ( Number of terms ) Web30 dec. 2016 · 6 people found it helpful mysticd 54,51,48,... Ap first term = a=54, common difference = d=a2-a1=51-54=-3 sum of n terms =513 n/2 [2a+ (n-1)d] =513 n/2 ( [2*54+ (n-1) (-3)]=513 n/2 [108-3n+3] =513 (n/2)*3 [36-n+1]=513 n [37-n]= 513*2/3 37n-n²=171*2 n²-37n+342=0 n²-18n-19n+18*19=0 n (n-18)-19 (n-18)=0 (n-18) (n-19)=0 n-18=0 or n-19=0 …
How many terms of the sequence 18, 16, 14…. should be taken …
Web1 feb. 2024 · How many terms of the series 54, 51,48 ....... be taken so that, their sum is 513 ? Explain the double answer. arithmetic progression class-10 1 Answer +2 votes … WebClick here👆to get an answer to your question ️ \"How many terms of the series \\( 54,51,48 \\). Whin be taken so that,\ntheir sum is 513 ? Explain the double answer\" css payhub
Find the number of terms of the. AP 54, 51, 48, ...... so that their ...
WebFind the number of terms of the AP: 54, 51, 48, … so that their sum is 513. Ans. 18 or 19. 60. In an AP, the first term is –4, the last term is 29 and the sum of all its terms is 150. Find its common difference. Ans. 61. Find the sum of … WebInformation about How to many terms of the series 54, 51,48 . be taken so that their sum is 513 ? Explain the double answer? covers all topics & solutions for Class 10 2024 Exam. … Web18 feb. 2015 · How many terms of the a.p. 48,42,36,.... be taken so that the sum is 216? How many terms of the a.p. 48,42,36,.... be taken so ... person. Raghunath Reddy. According to the given AP ,a = 48 & d = - 6 and sum of the given AP = 216. we know that S n = n/2(2a + (n -1)d) 216 = n/2(2(48) + (n -1)-6) => 432 = n(96 - 6n + 6) => 432 = 102n ... earls kitchen rooftop