WebVDOMDHTMLtml> In an AP, the sum of first ten terms is -150 and the sum of next ten terms is -550. Find the AP. - YouTube In an AP, the sum of first ten terms is -150 and the … WebExpert Answer Transcribed image text: 3. The third term of an AP is four times the sixth term and the sum of the first ten terms is 150. Find a) The first term and the common difference b) The least number of terms of the Arithmetic Progression which must be taken for the sum to be negative [5] 4.
If in an AP, the sum of first 10 terms is - 150 and the sum …
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. WebIn an AP, the sum of first ten terms is −150 and the sum of its next ten terms is −550. Find the AP. Medium Solution Verified by Toppr S 10=−150 S n= 2n[2a+(n−1)d] S 10= … royal scot crystal london clock
In an AP, the sum of first ten terms is -150 and the sum of its next ...
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. Solution: Given, the sum of the first five terms of an AP and the sum of the first seven terms of the same AP is 167. WebHere, 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 a 10. For the … WebOct 20, 2024 · Let a be the first term and d be the common difference of the given AP . S₁₀ = -150. ⇒ Sn = n/2 [ 2a + (n-1)d] ⇒ S₁₀ = 10/2 [ 2a + ( 10 - 1 ) d ]. ⇒ -150= 10/2 [ 2a + 9d ] ⇒ -150 = 5 [ 2a + 9d ] ⇒ -30 = 2a + 9d ⇒2a + 9d = -30........... (1) Clearly, the sum 20 term = - 150 + (-550) . ⇒ S₂₀ = -700 ⇒ Sn = n/2 [ 2a + (n-1)d] royal scot crystal wiki