If first fifth and last term of an ap
WebThe first and the last terms of an AP are 5 and 45 respectively. If the sum of all its terms is 400, find its common difference. Solution: ... The 5th term of an AP exceeds its 12th term by 14. If its 7th term is 4, find the AP. Solution: Long Answer Type Questions [4 Marks] WebThe first and last terms of an AP are a and ℓ respectively. If s be the sum of all the terms of the AP, then common difference is. Q. An AP has four terms. If its first and last terms are 1 and 5 respectively, then its sum is. Q. The first and the last terms of an AP are 17 and …
If first fifth and last term of an ap
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WebLet the first term, common difference and the number of terms of the AP are a, d and n respectively. Given that, first term (a) = -5 and last term (l) = 45 Sum of the terms of the A P = 120 ⇒ S n = 120 We know that, if last term of an AP is known, then sum of n terms of an AP is, S n = n 2 (a + l) ⇒ 120 = n 2 (− 5 + 45) ⇒ 120 × 2 = 40 ... Web28 mrt. 2024 · Last updated at March 28, 2024 by Teachoo. This video is only available for Teachoo black users Subscribe Now ... 7 = –32 + 30 × 7 = –32 + 210 = 178 Therefore, the 31st term of AP is 178 . Show More. Next: Ex 5.2, 8 → Ask a doubt ...
WebThe first,fifth and seventh terms of an arithmetic progression (AP) correspond to the first three consecutive terms of a decreasing Geometric Progression (GP).The first term of … Web15 mrt. 2015 · Click here 👆 to get an answer to your question ️ the first and last terms of an AP are 7 and 49 respectively.if sum of all its terms is 420, find its common d… yogamonica yogamonica 15.03.2015
Web19 feb. 2016 · We have to find if an AP's common difference is 9 and its first and last terms are 6 and 348, respectively, how many terms are there and what is their sum. We know … WebGiven,First term of AP =aSecond term of AP =bLast term of AP =cThen, Common difference =b−aUsing general equation of AP:c=a+(n−1)(b−a)n= b−ac+b−2aThen,Sum of an AP = …
WebThen the nth term of an AP is given by: a n = a + (n - 1) × d. CALCULATION: Given: The 5th and 13th terms of an AP are 5 and - 3 respectively. As we know that, if a is the first term and d is the common difference of an AP then a n = a + (n - 1) × d. Let a be the first term and d be the common difference of the AP.
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