How many terms of ap 27 24 21

WebHow many terms of the A.P; 24,21,18,... must be taken such that their sum is 78 Easy Solution Verified by Toppr Formula, S n= 2n[2a+(n−1)d] Given, a=24,d=21−24=−3,S n=78 78= 2n[2(24)+(n−1)(−3)] 156=n[48−3n+3] 3n 2−51n+156=0 n 2−17n+52=0 (n−13)(n−4)=0 ∴n=4,13 Was this answer helpful? 0 0 Similar questions Web14 jan. 2024 · Best answer Solution: Given AP is -6, -11/2, -5… Here a = –6, d = (–11/2) + 6 = 1/2 Sum of n terms of AP, Sn = – 25 Using sum of n term of AP formula ⇒ n2 – 25n + 100 = 0 ⇒ n2 – 20n – 5n + 100 = 0 ⇒ n (n – 20) – 5 (n – 20) = 0 ⇒ (n – 20) (n – 5) = 0 ⇒ (n – 20) = 0 or (n – 5) = 0 ∴ n = 20 or n = 5 ← Prev Question Next Question →

How many terms of the AP 21, 18, 15 … must be added to get

Web13 okt. 2024 · Step-by-step explanation: The given AP is,27,24,21,.... Here first term= a=27 common difference=d=24-27=-3 Let the nth term of the AP=0 => a+ (n-1)d=0 =>27+ (n-1) (-3)=0 => (n-1)= (-27)/ (-3) => n-1=9 => n=9+1 => n=10 So, the 10th term of the AP is 0. hope it will help you. Advertisement dawin32arpit Answer: 10 please mark as brainlist answer Web8 feb. 2024 · answered Feb 8, 2024 by Beepin (59.2k points) selected Feb 9, 2024 by KumkumBharti Best answer In the given A.P; a = 24, d = 4, Sn = 72 we have Sn = n/2 {2a + (n – 1)d} 72 = n/2 {2 (24) + (n – 1) (-4)} = 144 = n {48 – 4n + 4} ⇒ 144 = n {52 – 4n} ⇒ 144 = 52n – 4n2 ⇒ 4n2 – 52n + 144 = 0 ⇒ n2 – 13n + 36 = 0 ⇒ (n – 9) (n – 4) = 0 ∴ n = 9, 4 how much people live in england https://slightlyaskew.org

How many terms of an AP 27, 24, and 21 should be taken so that …

Web12 dec. 2016 · How many terms of the AP 27,24,21, should be taken so that their sum is zero - Maths - Arithmetic Progressions Web11 apr. 2024 · And the common difference (d) of the A.P is. ⇒ d = ( 21 − 24) = ( 18 − 21) = − 3. Now we have to find out the number of terms in the A.P if the sum of an A.P is 78. As … WebHow many terms of AP:27,24,21,..... should be taken so that their sum is zero? What is the value of that last term. how do i vector an image in photoshop

How many terms of the A.P. 27, 24, 21, .... should be taken so that ...

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How many terms of ap 27 24 21

How many terms of the A.P: 24, 21, 18……............ must be taken so ...

Web14 apr. 2024 · The team fired Hextall, Burke and assistant general manager Chris Pryor on Friday after the Penguins failed to reach the playoffs for the first time in 17 years. The … Web13 okt. 2024 · Step-by-step explanation: The given AP is,27,24,21,.... Here first term= a=27 common difference=d=24-27=-3 Let the nth term of the AP=0 => a+ (n-1)d=0 =>27+ (n …

How many terms of ap 27 24 21

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WebIf the sum of a certain number of terms of the AP 27, 24, 21, 18, …. is –30, find the last term. asked Jul 26, 2024 in Arithmetic Progression by Haifa ( 52.3k points) arithmetic progression Web30 mrt. 2024 · Transcript. Ex 9.2,4 How many terms of the A.P. 6, 11/2, 5 . are needed to give the sum 25? AP is of the form 6, 11/2, 5 . Here First term = a = 6 Common difference = d = 11/2 ( 6) = 11/2 + 6 = ( 11 + 12 )/2 = 1/2 & Sum of n terms = Sn = 25 We need to find n We know that Sn = n/2 [2a + (n 1)d] Here, Sn = 25 , a = 6 , d =1/2 Putting values 25 = …

Web25 jul. 2024 · let first term of the AP be a1= -10 second term of the AP be a2=-7 and common difference be d. d=a2-a1 d=-7- (-10) d=-7+10 d=3 so common difference is d=3 we know that, Sum of n terms in the AP is, Sn=n/2 [2a1+ (n-1)d] 104=n/2 [2×-10 + (n-1)3] 104×2=n [-20+3n-3] 208=n [3n-23] 208=3n^2-23n 3n^3-23n-208=0 3n^2-39n+16n-208=0 … Web14 apr. 2024 · The team fired Hextall, Burke and assistant general manager Chris Pryor on Friday after the Penguins failed to reach the playoffs for the first time in 17 years. The decision to part with the trio ...

WebAnswer: Solution: The sum of an AP's n terms is given by S n = n/2 {2a + (n-1)d} where, the AP's first term is 'a 'and the common difference is 'd'. Given A.P. is 27, 24, 21. . . We … Web4 mrt. 2024 · How many Terms of the AP 24 21 18 must be taken so that their Sum is 78 Class 10 Maths Chapter 5 Example 13Example 13 : How many terms of the AP : 24, 21, ...

Web28 mrt. 2024 · We know that the sum of all terms of an A.P. is given by, S n = n 2 [ 2 a + ( n − 1) d], ……… (i) this can also be written as: S n = n 2 [ a + l], ………. (ii) here l = last …

WebThe given AP is 27, 24, 21, .. First term of the AP = 27. Common difference = 24 − 27 = −3. Let the sum of the first x terms of the AP be 0. Sum of first x terms = x 2 … how much people live in ilfordWebEasy Solution Verified by Toppr First term, a=18; common difference, d=16−18=−2 n th terms sum is given by S n= 2n(20+(n−1)d)=0 ⇒2a+(n−1)d=0 ⇒36−2(n−1)=0 ⇒36=2n−2 ⇒2n=32 ⇒n=19. or, n=16. Was this answer helpful? 0 0 Similar questions How many terms of AP:27,24,21,..... should be taken so that their sum is zero? What is the value of that … how much people live in hawaiiWebAnswer (1 of 2): How many terms of an AP 27, 24, and 21 should be taken so that their sum is zero? Solution: Sn = 0 = (n/2)[54+(n-1)*(-3)] = n[54+3–3n] = n[57–3n] Since n … how do i verify a 501 c 3 statusWebCLASS-10TH CBSE NCERT BOOK ARITHMETIC PROGRESSION EXAMPLE-13How many terms of the AP: 24, 21, 18, . . . must be taken so that their sum is 78? how do i verify a 501c3Web21 okt. 2024 · Best answer AP = 3, 5, 7, 9, … Here, a = 3, d = 5 – 3 = 2 and Sn = 120 We know that, ⇒ 120 = n [2+n] ⇒ n2 + 2n – 120 = 0 ⇒ n2 + 12n – 10n – 120 = 0 ⇒ n (n + 12) - 10 (n + 12) = 0 ⇒ (n – 10) (n + 12) = 0 ⇒ n – 10 = 0 or n + 12 = 0 ⇒ n = 10 or n = -12 But number of terms can’t be negative. So, n = 10 Hence, for n = 10 the sum is 120 for the … how do i venmo money to one of my contactshow do i ventilate my houseWeb12 aug. 2024 · Find an answer to your question how many terms of the ap 27 24 21 .....should be taken so that their sum is zero. hahshha hahshha 12.08.2024 Math Primary … how do i venmo money to someone