Home
Class 10
MATHS
The nth term of a sequence is a(n)=2n+3....

The nth term of a sequence is `a_(n)=2n+3`. Find its first four terms.

Text Solution

AI Generated Solution

To find the first four terms of the sequence defined by the nth term \( a_n = 2n + 3 \), we will substitute the values of \( n \) from 1 to 4 into the formula. ### Step-by-step Solution: 1. **Find the first term \( a_1 \)**: \[ a_1 = 2(1) + 3 = 2 + 3 = 5 \] ...
Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSION

    NAGEEN PRAKASHAN ENGLISH|Exercise Problem From NCERT/exemplar|20 Videos
  • ARITHMETIC PROGRESSION

    NAGEEN PRAKASHAN ENGLISH|Exercise Exercise 5a|5 Videos
  • AREA RELATED TO CIRCLES

    NAGEEN PRAKASHAN ENGLISH|Exercise Revision Exercise Long Answer Question|5 Videos
  • CIRCLES

    NAGEEN PRAKASHAN ENGLISH|Exercise Long Answer Questions|2 Videos

Similar Questions

Explore conceptually related problems

The nth term of a sequence is a_(n)=n^(2)+5 . Find its first three terms.

The nth term of a sequence is (3n-7) . Find its 20th term.

The nth term of a sequence is (3n-7). Find its 20th term.

The nth term of a sequence is (2n-3), find its fifteenth term.

The nth term of a sequence is defined as follows. Find the first four terms: (i) T_(n)=3n+1 (ii) T_(n)=n^(2)+5

The nth term of a sequence in defined as follows. Find the first four terms : (i) a_(n)=3n+1 " " (ii) a_(n)=n^(2)+3 " " (iii) a_(n)=n(n+1) " " (iv) a_(n)=n+(1)/(n) " " (v) a_(n)=3^(n)

The nth term of a series is 3^n + 2n ; find the sum of first n terms of the series.

The nth term of a sequence is given by a_n=2n+7. Show that it is an A.P. Also, find its 7th term.

The nth term of a sequence is given by a_n=2n+7. Show that it is an A.P. Also, find its 7th term.

The nth term of a G.P. is 3cdot(-2)^(n). Find the sum of its 7 terms.