Find the sum of indicated terms of each of the following geometric progression: 1,2,4,8,…….,12 terms

Find the sum of indicated terms of each of the following geometric progression: 1+2/3+4/9+….,n terms and 5 terms

Find the sum of indicated terms of each of the following geometric progression: 1,-3,9,-27, ….9 terms

Find the sum of indicated terms of each of the following geometric progression: x^2,x^4,x^6,…,n terms (x!=+-1)

Find the sum of indicated terms of each of the following geometric progression: 1, -1/2, 1/4, - 1/8, .., n terms

Find the sum of indicated terms of each of the following geometric progressions : (i) 2, 4, 8, 16 ,…, 20 terms (ii) 1 , (-2)/(3) , (4)/(9) , (-8)/(27) ,…, 10 terms

Find the sum of indicated terms of each of the following geometric progression: 1, 1/3, 1/9, 1/27, …., n terms

Find the sum of the indicated number of terms of each of the following geometric progressions: a. (i) sqrt(7),sqrt(21),3sqrt(7) ,…………..n terms. (ii) 2,-1/2,1/8 , …………….n terms 12 terms (iii) 1,1/3,1/9, ………………..,n terms 5 terms b. (i) x^(3),x^(5),x^(7) .......,n terms (x!= +-1) (ii) 1,-a,a^(2),-a^(3) ........, n terms (a!= -1) (iii) x^(2)-y^(2),x-y,(x-y)/(x+y) ................ , n terms (x+y!=1) .

Find the sum of indicated number of terms of the following arithmetic progression: 16,11,6,………….23 terms.

Find the indicated terms in each of the following arithmetic progression 5,2,-1...t_(10)

Find the sum of the following geometric progression: 2,6,18 to 7 terms