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The nth term of an a.p is 3n – 2 then

WebSep 29, 2024 · If the sum of the first m terms of an AP is n and the sum of its n terms is m, then the sum of its (m + n) terms will be (a) m + n (b) - (m + n) (c) m – n (d) 0 Answer Question 12. If nth term of an AP is given by f n = 3n + 4, find the common difference of the AP (a) 3 (b) 2 (c) 4 (d) 7 Answer Question 13. The sum of first ten natural number is WebIf the sum of n terms of an A.P is2n2 + 5n, then the nth term will be: Login. Study Materials. NCERT Solutions. NCERT Solutions For Class 12. ... If the sum of n terms of an A.P. is 2n2 + 5n, then its nth term is (a) 4n − 3 (b) 3n − 4 (c) 4n + 3 (d) 3n + 4. Q. The sum of the first n terms of an AP is given by S n = (2n2 + 5n). Find the nth ...

Very Short answer questions 1. In an A.P. the nth term an =3n−.

WebFeb 26, 2024 · now for the sum of 2nd and 3rd term: Sn=3n^2 + 4n S3=3 (3)^2 + 4 (3) S3=3 (9) + 12 S3=27 + 12 S3=39 so 3rd term= 39 - 20 = 19 so we get the A.P as follows: 7, 13, 19.... now, we have to find the nth term for that we will first put n-1 in place of n Sn=3n^2 + 4n Sn-1 = 3 (n-1)^2 + 4 (n-1) Sn-1= 3 (n^2 + 1 - 2n) +4n -4 Sn-1= 3n^2 + 3 - 6n + 4n - 4 WebIf sum of n terms of an AP is 2 n + 3 n 2, then rth term is A 2 r + 3 r 2 B 3 r 2 - 4 r + 1 C 6 r - 1 D 4 r + 1 Solution The correct option is C 6 r - 1 Explanation for the correct option: Step 1: … farming game on laptop https://ambiasmarthome.com

If the n^th term of an A.P. is an = 3 + 2n , then the common ... - Toppr

WebThe formula to find the nth term of an AP, a n = a+ (n-1)d Now, substitute the values in the formula, we get a 10 = 2 + (10-1)5 a 10 = 2 + (9)5 a 10 = 2+45 a 10 = 47. Hence, the 10th … WebIf the Sum of N Terms of an Ap is 2n2 + 3n, Then Write Its Nth Term. - Mathematics Shaalaa.com. CBSE Commerce (English Medium) Class 11. Textbook Solutions 11871. … WebQuestion The sum of n term of an A.P. is 3n 2+5n. Find the A.P. Hence, find its 16 th term. Medium Solution Verified by Toppr S n=3n 2+5n Taking n=1, we get S 1=3(1) 2+5(1) ⇒S … free printable sunflower pattern

If the n^th term of an A.P. is an = 3 + 2n , then the …

Category:The sum of n terms of an A.P. is \\[3{n^2} + 5n\\] and its \\[{m^{th ...

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The nth term of an a.p is 3n – 2 then

nth term of AP - Formula nth Term of Arithmetic Progression - Cuemath

WebQuestion The nth term of a sequence is 3n-2. Is the sequence an A.P. ? If so, find its 10th term . Easy Solution Verified by Toppr a n=3n−2 a n is a linear expression in n. So, the given sequence is an A.P. with common difference 3. Therefore, a 10=30−2=28 Was this answer helpful? 0 0 Similar questions WebThe nth term of an arithmetic sequence is given by : an=a1+(n−1)d an = a1 + (n−1)d To find the nth term, first calculate the common difference, d. Next multiply each term number of the sequence (n = 1, 2, 3, …) by the common difference. Then add or subtract a number from the new sequence to achieve a copy of the sequence given in the question.

The nth term of an a.p is 3n – 2 then

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WebPermutations and Combinations Questions & Answers for Analyst : Find the value of 'n' for which the nth term of two AP'S: 15,12,9.... and -15,-13,-11..... are equal? Free Q&A Aptitude and Reasoning WebApr 10, 2024 · Sum of first n terms of an AP \[{S_n} = \dfrac{n}{2}[2a + (n - 1)d]\] Where a =1st term & d =common difference Or, \[{S_n} = \dfrac{n}{2}[a + {a_n}]\] If there are only n …

WebMar 22, 2024 · If a = 3 and 1 0 th term of an A.P. is 21 then find ' d ' 4. In a GP first term is 2 and common ratio is 3 Find first 3 terms. In a GP first term is 2 and common ratio is 3 Find first 3 terms. 5.

WebApr 7, 2024 · Sum of n terms of A.P. = S n = n [2a + (n – 1)d] / 2 = n [2 (5) + (n – 1) (-3)] / 2 = n {10 – 3n + 3)} / 2 = n / 2 (13 – 3n) Hence, the sum of the n terms of A.P. is n/2 (13 – 3n). Question 3. Find the sum of n terms of an A.P. whose terms are given by a n = 5 – 6n. Solution: Given A.P. has nth term, an = 5 – 6n WebIf the n th term of an AP is given, say T n = 2n + 7, then to find its first term, just substitute n = 1 in it. Then we get T 1 = 2(1) + 7 = 9, is the first term of the AP. How Do I Find the …

WebIf the sum of n terms of an AP is 2n 2 + 3n, then write its nth term. Advertisement Remove all ads Solution Given: S n = 2 n 2 + 3 n ⇒ S 1 = 2 ( 1) 2 + 3 ( 1) = 5 S 2 = 2 ( 2) 2 + 3 ( 2) = 14 ∴ a 1 + a 2 = 14 ⇒ 5 + a 2 = 14 ⇒ a 2 = 9 Common difference, d = a 2 − a 1 = 9 − 5 = 4 nth term = a + ( n − 1) d = 5+ ( n − 1) 4 = 4n+1

WebTherefore, the nth term formula is an = a1 + (n-1) d. Plug in the values, we have, an = 1 + (n- 1)3 do the operation an = 1 + 3n – 3 simplify an = 3n – 2 nth term of the sequence. 5 Key Concept : nth Term of an Arithmetic Sequence Sequence. The nth term an of an arithmetic sequence with a1 refer to the farming game on robloxWebOct 4, 2024 · Solution : Step 1 of 2 : Write down the nth term of the AP Here it is given that the nth term of the AP is 3n - 2 Step 2 of 2 : Find the 9th term of the AP The 9th term of the AP is obtained by putting n = 9 Hence 9th term of the AP = ( 3 × 9 ) - 2 = 27 - 2 = 25 ━━━━━━━━━━━━━━━━ Learn more from Brainly :- free printable suffocation warning labelWebMar 17, 2024 · The sum of the first 12 terms of an AP. Whose nth term is given by an = 3n + 4 is: 1. 262 2. 272 3. 282 4. 292 asked Apr 24, 2024 in Reasoning by SujitTiwari ( 50.7k points) free printable sunflower business cards