WebIn an AP if a= 4 that means first term of the AP is 4. n=7 i.e there are 7 terms in the AP. an=4 i.e nth term of the A.P is 4 We know that an=a+ (n-1)d So 4=4+ (7–1)d =>4–4=6d =>0=6d =>d=0 4 Yashoda Nagar Webn th term of an AP is T n =a+(n−1)d For an AP with the first term as 'a' and common difference as 'd', the seventh term is a + 6d. According to the question, the common …
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WebIn an AP .Given a n = 4, d = 2, S n = − 14, find n and a. Advertisement Remove all ads Solution Given that, an = 4, d = 2, Sn = −14 an = a + ( n − 1) d 4 = a + ( n − 1)2 4 = a + 2 n − 2 a + 2 n = 6 a = 6 − 2 n (i) S n = n 2 [ a + a n] - 14 = n 2 [ a + 4] −28 = n ( a + 4) −28 = n (6 − 2 n + 4) {From equation (i)} −28 = n (− 2 n + 10) WebExperienced industry practitioner and educator with a demonstrated history of working in global engineering and construction industries, higher education administrative … raw story paula white
I have a D in my AP Statistics Class. - College Confidential Forums
WebMar 30, 2024 · Last updated at March 30, 2024 by Teachoo In an Arithmetic Progression, if d= –4, n = 7,an = 4, then find a. Get live Maths 1-on-1 Classs - Class 6 to 12 Book 30 … Web1 day ago · Water flows through an irrigation canal with a turbine at Ralston Reservoir in Arvada Colo. on Thursday, April 13, 2024. Emrgy, a business that places small turbines in irrigation canals to generate electricity, has raised $18.4 million to scale up its technology and generate carbon-free hydropower. (AP Photo/Brittany Peterson) WebFirst term of an AP = a. Common difference of AP = d. nth term of an AP, an = a + (n – 1)d. Since, n = 37 (odd), Middle term will be (n+1)/2 = 19th term. Thus, the three middle most terms will be, 18th, 19th and 20th terms. According to the question, a18 + a19 + a20 = 225. Using an = a + (n – 1)d. a + 17d + a + 18d + a + 19d = 225. 3a + 54d ... raw story on msn