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. WebFeb 17, 2024 · Sum of first 10 terms = -150. hence we have (10/2) [ 2a + 9d ] = -150 or 2a + 9d = -30 ..................... (1) next 10 terms gives total = -550 . Hence sum of 20 terms = -150 …
Sum of N terms of an AP - Formula, Examples Sum of …
WebThe sum of n terms of an AP can be easily found out using a simple formula which says that, if we have an AP whose first term is a and the common difference is d, then the formula of the sum of n terms of the AP is S n = … WebYou would do the exact same process, but you would have to SOLVE for "n" (number of terms) first. To do so, you must start with the arithmetic sequence formula: tn = a + d(n −1) Then, sub in all known values. tn = 15 (last term of the sequence), a = 1 (first term), d = 2 (difference between terms) and solve for n like so: 15 = 1 + 2(n −1) most modern aircrafts are designed as
In an AP, the sum of first ten terms is -150 and the sum of …
WebApr 11, 2024 · Given the sum of the first 10 terms of an AP is -150 and the sum of the next ten terms which means Sum of first 20 terms-Sum of first 10 terms is -530. Let the first … WebMar 27, 2024 · C. I Frequency 10 vicle, me ACB be 0-15 15-30 30-45 45-60 ore than type ogive' for the given data. 18 40 20 60-75 12 29) The sum of the reciprocals of Rehman's ages 3years ago and 5 years from now is Find his present age. WebOct 10, 2024 · Academic Mathematics NCERT Class 10 Given: In an A.P., the sum of first ten terms is -150 and the sum of its next ten terms is -550. What to do: To find the A.P. … most modern 3rd row passenger suv