Advertisements
Advertisements
प्रश्न
First term a and common difference d are given below. Find the corresponding A.P.
a = `3/4`, d = `1/2`
उत्तर
a = `3/4`, d = `1/2`
The general form of the A.P. is a, a + d, a + 2d, a + 3d …..
`3/4, 3/4 + 1/2, 3/4 + 2(1/2), 3/4 + 3(1/2)`
The A.P. `3/4, 5/4, 7/4, ......`
APPEARS IN
संबंधित प्रश्न
There is an auditorium with 35 rows of seats. There are 20 seats in the first row, 22 seats in the second row, 24 seats in the third row and so on. Find the number of seats in the twenty-fifth row.
Determine the general term of an A.P. whose 7th term is –1 and 16th term 17
Find the common difference of an AP, whose first term is 5 and the sum of its first four terms is half the sum of the next four terms
For the following A.P.s, write the first term and the common difference:
`1/3, 5/3, 9/3, 13/3` ....
Write the sequence with nth term an = 5 + 2n
Find a30 − a20 for the A.P.
a,a + d, a + 2d, a + 3d, ...
Two arithmetic progressions have the same common difference. The difference between their 100th terms is 100, what is the difference between their l000th terms?
The ratio of 6th and 8th term of an A.P. is 7:9. Find the ratio of 9th term to 13th term
If a, b, c are in A.P. then `(a-b)/(b-c)` is equal to ______.
First term and common difference of an A.P. are 1 and 2 respectively; find S10.
Given: a = 1, d = 2
find S10 = ?
Sn = `n/2 [2a + (n - 1) square]`
S10 = `10/2 [2 xx 1 + (10 - 1)square]`
= `10/2[2 + 9 xx square]`
= `10/2 [2 + square]`
= `10/2 xx square = square`
