Find the 10th term and the general term of the progression
`1/4, (-1)/2, 1, -2, 4`, ...

Find the 9^(th) term and the general term of the progressions: 1/4, -1/2 , 1 , -2

Find the 9 th term and the general term of the progressions: (1)/(4);(-(1)/(2));1;-2

Find the 15th term of the arithmetic progression 10, 4, -2, ….

(a) Find the 16th term from the end of the progression 3 + 6 + 9 + ... + 99. (b) Find the 10th term from the end of the progression 82 + 79 + 76 + ... + 4. (c) Find the 10th term from the end of the progression 5 + 2 - 1 - 4 - ... - 34.

(a) Find the 16th term from the end of the progression 3 + 6 + 9 + ... + 99. (b) Find the 10th term from the end of the progression 82 + 79 + 76 + ... + 4. (c) Find the 10th term from the end of the progression 5 + 2 - 1 - 4 - ... - 34.

10 th term of the progression -4-1+2+5+... is

Find the number of terms in the progression 4, 2, 1, …,(1)/(128).

Find the number of terms in the progression 4, 2, 1, …,(1)/(128).

Find the nth term and hence find the 8th term of the following H.P: 1/4,1/6,1/8,1/10,.......

Find the 20th term from the end of the following arithmetic progressions.,- 1, 4, 7, 10, ....... 88.