WebIn 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 sum of next ten... WebIn an AP, the sum of first ten terms is −150 and the sum of its next ten terms is −550. Find the AP. Medium Solution Verified by Toppr S 10=−150 S n= 2n[2a+(n−1)d] S 10= …

15,10,5 , ......... In this A.P., sum of first 10 terms is - Toppr

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 > WebS n = n/2 {2a + (n − 1)d} Given that sum of the first 10 terms of an A.P. is -150. S 10 = -150 And the sum of next 10 terms is -550. So, the sum of first 20 terms = Sum of first 10 … phil scandens

In an A.P ., the sum of first n terms is 3n^22 - Toppr

WebSolution for Use the sum of the first ten terms to approximate the sum of the series substitution. Round your answers to three decimal places.) X 4.250 error… 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. WebFeb 28, 2013 · In an A.P. the sum of first ten terms is –80 and the sum of next ten terms is –280. Find the A.P t shirt stickers online