10" th term of the harmonic progression `(2)/(1)+2(1)/(2)+3(1)/(3)+.......` is "

The sum of the first n terms of the arithmetical progression 3, 5(1)/(2),8,.... is equal to the 2nth term of the arithmetical progression 16(1)/(2),28(1)/(2),40(1)/(2) . Calculate the value of n.

(a) Find the 10th term of the progression 1 + 3 + 5 +7+ ... (b) Find the 7th term of the progression 80 + 77 +74+ … (c) Find the 22nd term of the progression 7(3)/(4)+9(1)/(2)+11(1)/(4)+... (d) Find the nth term of the progression - 5 - 3 - 1 + 1 +...

(a) Find the 10th term of the progression 1 + 3 + 5 +7+ ... (b) Find the 7th term of the progression 80 + 77 +74+ … (c) Find the 22nd term of the progression 7(3)/(4)+9(1)/(2)+11(1)/(4)+... (d) Find the nth term of the progression - 5 - 3 - 1 + 1 +...

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

(a) Which term of the progression 10,9(1)/(3),8 (2)/(3), ...is the first negative term ? (b) Which term of the progression 4,3(5)/(7),3(3)/(7), ...is the first negative term ?

The 5th term of the series (10)/(9),(1)/(3)sqrt((20)/(3)),(2)/(3),… is

Find the sum of 10 terms of the geometric progression : 1+sqrt(3)+3+3sqrt(3)+ . . . . . .. . . .. .

Find the common difference and 99th term of the arithmetic progression : 7 3/4, 9 1/2, 11 1/4,……….

The n ^(th) terms of the series 1 + (4)/(5) + (7)/(5 ^(2)) + (10)/(5 ^(3)) +………. is

Find the 99^(th) term of the series : 7 (3)/(4) , 9 (1)/(2) , 11(1)/(4) ,…….