WebApr 7, 2024 · To find the sum of last ten terms, first we need to reverse the given A.P. According to the reverse A.P we have the first term a = 126, common difference (d) = -2, and number of terms (n) = 10. We will put these values in the formula of sum of AP. In this way we can find the sum of the last ten terms of the A.P. Complete step-by-step answer: WebAug 17, 2016 · Given that an arithmetic progression is such that the 8th term is twice the second term, and the 11th term is 18. Find: 1) The first term and common difference. 2) The sum of the first 26 terms. 3) The smallest of the progression whose values exceed 126? How on earth am I meant to solve this?
the sum of first 10 terms of an AP is -80 - Algebra
WebMar 30, 2024 · Answer: The AP series is 1,-1,-3,-5....Step-by-step explanation:Given : In an A.P, the sum of its first ten terms is -80 and sum of its next 10 terms is -280. ... 30.03.2024 Math Secondary School answered • expert verified In an A.P, the sum of its first ten terms is -80 and sum of its next 10 terms is -280. Find the A.P. See answers ... WebMar 30, 2024 · It is given that First term = a = 2 Also Sum of first five terms = 1/4 (Sum of next 5 terms) Sum of first five terms = 1/4 (Sum of 6th to 10th terms) Sum of first five terms = 1/4 ( 8 ( ("Sum of first 10 terms " @" Sum of first five terms" ))) S5 = 1/4 (S10 S5) 4S5 = S10 S5 4S5 + S5 = S10 5S5 = S10 Finding sum of first five terms We know that Sum … can i renew my green card in person
If Sn = 2n^2 + 3n. Find 16th term of AP - teachoo
Web8 hours ago · Breaking News, Sports, Manitoba, Canada. BEIJING (AP) — Chinese basketball authorities have ordered an investigation into a championship-round game that ended with a last-minute, come-from ... WebApr 8, 2024 · Given : AP the sum of first 10 terms is -80. i.e. (1) The sum of next 10 terms is -280. Then, the sum of first 20 terms together = -80+ (-280) =-360 (2) Subtract (1) from (2) , we get Put this in (1) , we get Our required … WebLet a and d be the first term and the common difference of an A.P., respectively. n th term of an A.P. a n =a+(n-1)d. Sum of n terms of an A.P., S n =n/2[2a+(n-1)d]. We have: Sum of the … can i renew my hgv after 10 years