WebMar 8, 2010 · 5 times of the 5th term of an AP is equal to 12 times of its 12th term.Find sum of 17th terms. ... Let a be I term and d be the common difference. 5(a+4d ) = 12(a+11d) =5a+20d =12a+132 d. 7a = -112 d. a =-16d. 17 term = a+16d =0. Answered by 08 Mar, 2010, 02:26: PM Practice Test Webinar Pre Board Assessment. All Questions Ask a Doubt. Web26 Apr 2013 AP If five times the fifth term of an AP is equal to 8 times the 8th term, value of 13th term is... OPtion 1) -2 2) -1 3) 0 4) 2 5) 5 6) 10 7) 12 8) 15 9) 17 10) None of these …
the 6th term of an ap is 5 times the first term and the 11th term ...
WebJun 12, 2024 · Best answer Let the first term of AP is a and common difference of AP is d. Therefore, the fifth term of given AP is a5 = a + 4d And the eight term of AP is a8 = a + 7d. Given that 5 times the fifth term of AP is equal to 8 times its eight term. Hence, 13th term of given AP is 0. ← Prev Question Next Question → Find MCQs & Mock Test WebMar 25, 2024 · The first term of AP is 'a' and common difference is 'd' The 9th term is 5 times the 2nd term ⇒ 9th term = 5 times 2nd term ⇒ a + 8d = 5 (a + d) ⇒ 3d = 4a ⇒ d = 4a/3 ---- (1) 8th term is 1 more than 10 times the first term ⇒ a + 7d = 10 a + 1 ⇒ 7d = 9a + 1 ---- (2) Putting the value of d in equation 2 ⇒ 7 (4a/3) = 9a + 1 ⇒ a = 3 openvpn community for mac
algebra precalculus - The first, fifth, and eighth terms of an ...
WebSolution for if the five times the fifth term of an AP is equals to 8 time it's eight term.show that the 13th term is zero. Skip to main content. close. Start your trial now! First week only … WebMay 2, 2024 · To find: 8th term Solution: Step 1: Simplify eq.1 by using the formula , nth term , : Step 2: Simplify eq.2 by using the formula , nth term , : Step 3: Multiply eq. (3) by 2 and (4) by 5 and find a: Step 4: Substitute this value of a in eq. (5) we get Step 5: Find the 8th term by using the formula , nth term ,: Hence the 8th term is 33. WebApr 3, 2024 · Hence, proved that - five times the fifth term is equal to eight times the eighth term which is the thirteen term. So, the correct answer is “ a + 12 d = 0 ”. Note: Be careful … openvpn connect tap mode is not supported