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… WebLe a1, a2, ..., a10 are terms of an A.P given S10 = a1+a2+...+10 = 150 But we know that: s10 = (a1+a10)*10/2 = 150 ==> a1+a10 = 150/5 ==> a1+a10 = 30 ==> a10 = 30 - a1...... (1) But a10...
In an AP the sum of first ten terms is 150 and the sum of its next 10 …
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 … WebJun 24, 2024 · The AP is 3, - 1,- 5 ,- 9,…... Step-by-step explanation: Given : S10 = - 150 and sum of its next 10 terms is - 550. By using the formula ,Sum of nth terms , Sn = n/2 [2a + (n – 1) d] S10 = (10/2) [ 2a + (10 - 1)d ] -150 = 10/2 [2a + 9d] -150 = 5 [2a + 9d] -150/5 = 2a + 9d - 30 = 2a + 9d 2a + 9d = - 30 ………... (1) And johnny depp trial live law and crime day 23
The sum of the first five terms of an AP and the sum of the
WebOct 20, 2024 · Let a be the first term and d be the common difference of the given AP . S₁₀ = -150. ⇒ Sn = n/2 [ 2a + (n-1)d] ⇒ S₁₀ = 10/2 [ 2a + ( 10 - 1 ) d ]. ⇒ -150= 10/2 [ 2a + 9d ] ⇒ -150 = 5 [ 2a + 9d ] ⇒ -30 = 2a + 9d ⇒2a + 9d = -30........... (1) Clearly, the sum 20 term = - 150 + (-550) . ⇒ S₂₀ = -700 ⇒ Sn = n/2 [ 2a + (n-1)d] 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 > WebMar 27, 2024 · Solution For 10] Find the sum of first ' n ' terms of an AP 2 ,8 ,18 ,32 , 11] If α,β and γ are the zeroes of the polynomial P(x)=x3−6x2−x+30 then fin. The world’s only live instant tutoring platform. Become a tutor About us Student login Tutor login. Login. Student Tutor. Filo instant Ask button for chrome browser. ... how to get rocks out of garden