Home
Class 10
MATHS
For the following APs, write the first t...

For the following APs, write the first term and the common difference:
(i) 3,1,`-1,-3`,….
(ii) `-5,-1,3,7`,……..
(iii) `1/3, 5/3, 9/3, 13/3`,………
(iv) `0.6, 1.7 , 2.8, 3.9`,………

Text Solution

Verified by Experts

The correct Answer is:
(i) `a_(1)=3, d=-2`, (ii) `a_(1) =-5, d=4`, (iii) `a_(1) =1/3, d=4/3`, (iv) `a_(1) = 0.6`, d=1.1
Promotional Banner

Topper's Solved these Questions

  • PROGRESSIONS

    NCERT TAMIL|Exercise EXERCISE 6.2|16 Videos
  • PROGRESSIONS

    NCERT TAMIL|Exercise EXERCISE 6.3|14 Videos
  • PROGRESSIONS

    NCERT TAMIL|Exercise DO THIS|12 Videos
  • PROBABILITY

    NCERT TAMIL|Exercise THINK AND DISCUSS|3 Videos
  • QUADRATIC EQUATIONS

    NCERT TAMIL|Exercise OPTIONAL EXERCISE|7 Videos

Similar Questions

Explore conceptually related problems

Find the first term and common difference for each of the A.P. 5,1,-3,-7

Find the first term and common difference for each of the A.P. 1/4,3/4,5/4,7/4 , …..

Find the first term and common difference for each of the A.P. 0.6,0.9,1.2,1.5,…..

Write first four terms of the AP, when the first term a and the common difference d are given as follows: (i) a=10, d=10 (ii) a=-2, d=0 (iii) a=4, d =-3 (iv) a=-1, d=1/2 (v) a=-1.25, d= -0.25

Find the direction cosines of a vector whose direction ratios are (i) 1,2,3, (ii) 3,-1,3 (iii) 0,0,7

Which terms of the GP: (i) 2,8,32,…… is 512? (ii) sqrt(3), 3,3sqrt(3) ,…………… is 729? (iii) 1/3, 1/9, 1/27 ,…………. Is 1/(2187) ?

Write the n^(th) term of the following sequences. 1/2,3/4,5/6,7/8,9/10,...

For each geometric progressions find the common ratio 'r'. And then find a_(n) . (i) 3,3/2, 3/4, 3/8 ,…… (ii) 2,-6, 18, -54 (iii) -1,-3,-9, -27 ,….. (iv) 5,2, 4/5, 8/25 ,…..

Find the general term for the following sequences (i) 3,6,9 .......... (ii) 1/2 , (2)/(3) , (3)/4 , ...............