WebIf 12 th term of an A.P is −13 and the sum of the first four terms is 24, what is the sum of first 10 terms? Medium Solution Verified by Toppr Correct option is A) Let a,d be the first … WebApr 5, 2024 · By simplifying it, we get the equation of the form: S 4 = 4 a + 6 d . First condition given in the question is 12th term is -13. Substituting this in equation (1), we get it as: a + 11 d = − 13 ……………… (3) By substituting sum of 4th term as 24, we get it as: 4 a + 6 d = 24 ………………… (4) By substituting 11d on both sides of equation (3), we get:

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

WebThe 12 th term of an AP is -13 and the sum of its first four terms is 24. Find the sum of its first 10 terms. Advertisement Remove all ads Solution Let a be the first term and d be the … WebJun 20, 2024 · In an Ap If the 12th term is 13 is and sum of the 1st term Is 24. What is the sum of the first. What is the a and d number on ths question. Stand formula using for ths … heisei minilla

If the 12th term of an A.P is $-13$ and the sum of the first four terms …

Webnth term of an AP, Tn=a+ (n-1)d T12=17=a+ (12–1)d=a+11d=17——— (1) Sum of n terms of an AP, Sn=n/2 [2a+ (n-1)d] S12=12/2 [2a+ (12–1)d]=105 =>6 [2a+11d]=12a+66d=105——— (2) From the eq.ns (1)& (2) 6a+66d=102 —— (3). {since eq.n (1) *6} 12a+66d=105 ————————— 6a=3=>a=1/2 {solve 2&3 eq.ns } Substitute a value in eq.n (1) … WebThe sum of the first five terms of an AP and the sum of the first seven terms of the same AP is 167. If the sum of the first ten terms of this AP is 235, find the sum of its first twenty terms. heisei mothra toy