Advertisements
Advertisements
प्रश्न
The first term of an AP is p and its common difference is q. Find its 10th term.
Advertisements
उत्तर
Here , a= p and d= q
Now , Tn = a +(n-1)d
⇒ Tn = p + (n-1) q
∴ T10 = p + 9q
APPEARS IN
संबंधित प्रश्न
The first and the last terms of an AP are 7 and 49 respectively. If sum of all its terms is 420, find its common difference.
In a school, students thought of planting trees in and around the school to reduce air pollution. It was decided that the number of trees, that each section of each class will plant will be the same as the class, in which they are studying, e.g., a section of class I will plant 1 tree, a section of class II will plant 2 trees, and so on till class XII. There are three sections of each class. How many trees will be planted by the students?
Find how many integers between 200 and 500 are divisible by 8.
Find the sum of n terms of an A.P. whose nth terms is given by an = 5 − 6n.
Find the sum of first 22 terms of an A.P. in which d = 22 and a = 149.
Find the sum of all 3 - digit natural numbers which are divisible by 13.
Find the sum 25 + 28 + 31 + ….. + 100
If the pth term of an AP is q and its qth term is p then show that its (p + q)th term is zero
If (3y – 1), (3y + 5) and (5y + 1) are three consecutive terms of an AP then find the value of y.
If `4/5 `, a, 2 are in AP, find the value of a.
Find the sum of all natural numbers between 200 and 400 which are divisible by 7.
Divide 207 in three parts, such that all parts are in A.P. and product of two smaller parts will be 4623.
There are 37 terms in an A.P., the sum of three terms placed exactly at the middle is 225 and the sum of last three terms is 429. Write the A.P.
The sum of third and seventh term of an A. P. is 6 and their product is 8. Find the first term and the common difference of the A. P.
The 19th term of an A.P. is equal to three times its sixth term. If its 9th term is 19, find the A.P.
Let there be an A.P. with first term 'a', common difference 'd'. If an denotes in nth term and Sn the sum of first n terms, find.
If the sum of n terms of an A.P. be 3n2 + n and its common difference is 6, then its first term is ______.
In an AP. Sp = q, Sq = p and Sr denotes the sum of first r terms. Then, Sp+q is equal to
Find whether 55 is a term of the A.P. 7, 10, 13,... or not. If yes, find which term is it.
Find the sum of last ten terms of the AP: 8, 10, 12,.., 126.
