Webgiven S10 = a1+a2+...+10 = 150 But we know that: s10 = (a1+a10)*10/2 = 150 ==> a1+a10 = 150/5 ==> a1+a10 = 30 ==> a10 = 30 - a1...... (1) But a10 = a1 + 9*3 = a1 + 27 ==> a10 = 27 +... WebJun 24, 2024 · In an A.P., the sum of first ten terms is −150 and the sum of its next ten terms is −550. Find the A.P. Advertisement Expert-Verified Answer 44 people found it helpful nikitasingh79 Answer: The AP is 3, - 1,- 5 ,- 9,…... Step-by-step explanation: Given : S10 = - 150 and sum of its next 10 terms is - 550.
In an AP, the sum of the first ten terms is 80 and the sum of
WebClick here👆to get an answer to your question ️ In an A.P. the sum of first ten terms is \( - 150 \) and the sum of its next ten terms is - Find the A.P CBSE 2010 Sum of the first 14 terms of an A.P. is 1505 and its first term is \( 10 . \) Find its \( 25 ^ { \text { th } } \) term WebSum In an A.P., the sum of first ten terms is −150 and the sum of its next ten terms is −550. Find the A.P. Advertisement Remove all ads Solution Here, we are given S 10 = -150 and sum of the next ten terms is −550. Let us take the first term of the A.P. as a and the common difference as d. So, let us first find a10. solicitors in mcmahon st hurstville
In an AP the sum of first ten terms is 150 and the sum of its next …
WebApr 8, 2024 · Given sum of first ten terms = − 150. We know that Sum of n terms of AP S n = n 2 [ 2 a + ( n − 1) d] Therefore, ⇒ S 10 = 10 2 [ 2 a + ( 10 − 1) d] ⇒ − 150 = 5 [ 2 a + 9 d] ⇒ … WebMay 14, 2024 · Given: Sum of first ten terms that is, S 10 = -150 and Sum of next ten terms is -550. To find: The A.P. Solution: Let, first term = a Last term = a n We know in an A.P, a n = a + (n – 1) d. For n = 10. a n = a + (10 - 1)d. a n = a + 9d. We know, sum of n terms. s n = \(\frac{n}{2}[a + l]\). l and a n means the last term.. Put the value of l in (1),So, S 10 = … WebOct 10, 2024 · In an AP of 50 terms, the sum of first 10 terms is 210 and the sum of its last 15 terms is 2565. Find the A.P. The sum of the first five terms of an AP and the sum of … solicitors in medway kent uk