Home
Class 11
MATHS
Find the indicated terms of the sequenc...

Find the indicated terms of the sequence whose `n^(t h)`terms are :
`a_n=(-1)^(n-1)n^3;a_9`

Text Solution

Verified by Experts

`a_n=(-1)^(n-1)n^3`
`a_9=(-1)^(9-1)9^3`
`a_9=(-1)^8 729`
`a_9=729`
Promotional Banner

Topper's Solved these Questions

  • SEQUENCES AND SERIES

    NCERT|Exercise EXERCISE 9.5|6 Videos

  • SEQUENCES AND SERIES

    NCERT|Exercise EXERCISE 9.3|32 Videos

  • RELATIONS AND FUNCTIONS

    NCERT|Exercise EXERCISE 2.3|5 Videos

  • SETS

    NCERT|Exercise EXERCISE 1.5|7 Videos

Similar Questions

Explore conceptually related problems

Find the indicated terms of the sequence whose n^(th) terms are : a_(n)=(n(n-2))/(n+3)

Find the indicated terms of the sequence whose n^(th) terms are : a_(n)=4n-3;a_(17),a_(24)

Find the indicated terms of the sequence whose n^(th) terms are : a_(n)=(n^(2))/(2^(n))vdots

Write the first five terms of the sequence whose n^(th) terms are : a_(n)=(n)/(n+1)

Write the first five terms of the sequence whose n^(th) terms are : a_(n)=(-1)^(n-1)5^(n+1)

Write the first five terms of the sequence whose n^(th) terms are : a_(n)=n(n+2)

Write the first five terms of the sequence whose n^(th) terms are : a_(n)=(2n-3)/(6)

Find the indicated terms in each of the following sequences whose n^(th) terms are a_(n) = (a_(n-1))/(n^(2)) , (n ge 2) , a_(1) =3 , a_(2) , a_(3)

Find the indicated terms in each of the following sequences whose n^(th) terms are a_(n) = (-1)^(n-1) 5^(n-1), a_(5) , a_(1)

Find the indicated terms in each of the following sequences whose nth terms are: a_(n)=5_(n)-4;a_(12) and a_(15)a_(n)=(3n-2)/(4n+5);a+7 and a_(8)a_(n)=n(n-1);a_(5)anda_(8)a_(n)=(n-1)(2-n)3+n);a_(1),a_(2),a_(3)a_(n)=(-1)^(n)n;a_(3),a_(5),a_(8)