WebFor an AP, the sum of the first n terms can be calculated if the first term, common difference and the total terms are known. The formula for the arithmetic progression sum is explained below: Consider an AP …

Sum of N terms of an AP - Formula, Examples Sum of …

WebMar 23, 2024 · Since we know that the sum of the first n terms of an A.P. is S n = n 2 [ 2 a + ( n − 1) d] where ‘a’ is the first term and ‘d’ is common difference. We have n=10 and S n = − 150 . ⇒ − 150 = 10 2 [ 2 a + ( 10 − 1) d] ⇒ − 150 = 5 [ 2 a + 9 d] ⇒ − 150 5 = 2 a + 9 d ⇒ − 30 = 2 a + 9 d..... ( 1) Now the sum of the next ten terms is -550. WebHere, we are given S 10 = -150 and sum of the next ten terms is −550. Let us take the first term of the A.P. as a and the common difference as d. So, let us first find a 10. For the … northampton x ray department

SOLUTION: in an AP, sum of first ten terms is -150 and the sum of …

WebQuestion 15,10,5,……… In this A.P., sum of first 10 terms is Easy Solution Verified by Toppr 15,10,5,...…. a=15 d=10−15=−5 S n= 2n[2a+(n−1)d] S 10= 210[2×15+(10−1)(−5)] =5[30−5×9] =5[30−45] =5(−15)=−75. Was this answer helpful? 0 0 Similar questions For an arithmetic progression: 5, 211,6, 213,… then T 40−T 20=? Medium View solution > WebVDOMDHTMLtml> In an AP, the sum of first ten terms is -150 and the sum of next ten terms is -550. Find the AP. - YouTube In an AP, the sum of first ten terms is -150 and the … WebThe sum of n terms of an AP can be easily found out using a simple formula which says that, if we have an AP whose first term is a and the common difference is d, then the formula of the sum of n terms of the AP is S n = … northampton yarn store