Adv
deepaksoni
  • 0
Guru

Problem 1: Write the first terms of each of the following sequences whose nth term is:-(iii) an = 3ⁿ

  • 0

One of the most important and exam oriented question from Chapter name- Arithmetic Progression
Class 10th
Chapter number- 9
Exercise :- 9.1
We have to find the first term of given AP where we have nth term as 3ⁿ of that series.

CBSE DHANPAT RAI publication
Understanding CBSE Mathematics
Question 1 (iii)

Share

1 Answer

  1. Given: 

    By putting n = 1, 2, 3, 4, 5 we get first five term of the sequence

    a1 = 31 = 3;

    a2 = 32 = 9;

    a3 = 33  = 27;

    a4 = 34 = 81;

    a5 = 35 = 243.

    ∴ The first five terms are 3, 9, 27, 81, 243.

    • 0
Leave an answer

Leave an answer

Browse

Choose from here the video type.

Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs".

Captcha Click on image to update the captcha.

Related Questions