Find the sum of the following arithmetic progressions: `(x-y)/(x+y)\ ,(3x-2y)/(x+y),(5x-3y)/(x+y),\ dot` to `n` terms (ii) `-26 ,\ -24 ,\ -22 ,\ ` to 36 terms.

Find the sum of the following arithmetic progressions: (i) (x-y)/(x+y)\ ,(3x-2y)/(x+y),(5x-3y)/(x+y),\ dot to n terms (ii) -26 ,\ -24 ,\ -22 ,\ to 36 terms.

Find the sum of the following arithmetic progression: (x-y)/(x+y),(3x-2y)/(x+y),(5x-3y)/(x+y),\ ddotto\ n terms.

Find the sum of the following arithmetic progression: (x-y)/(x+y),(3x-2y)/(x+y),(5x-3y)/(x+y),quad longrightarrow n terms.

Find the sum of the following arithmetic progressions: (i) 41 ,\ 36 ,\ 31 ,\ dot to 12 terms (ii) a+b ,\ a-b ,\ a-3b ,\ to 22 terms (iii) (x-y)^2,\ (x^2+y^2),\ (x+y)^2,\ ddot, to n terms

Find the sum of following AP: (x-y)/(x+y),(3x-2y)/(x+y),(5x-3y)/(x+y),...... up to 22 terms

Find the sum of the following series (x+y)/(x-y)+1+(x-y)/(x+y)+ …. to n th term.

Find the sum of the following arithmetic progressions: 41,36,31, to 12 terms ( ii) a+b,a-b,a-3b, to 22 terms (iii) (x-y)^(2),(x^(2)+y^(2)),(x+y)^(2),quad ; to n terms

Find the sum of the like terms : 7x^2y,-5x^2y

Find the sum of the following series up to the specified term (x-y) + (2x-3y) + (3x-5y)+ ….. upto nth term.

Find the sums of the indicated number of terms of the following geometric progressions : x^2-y^2,x-y, (x-y)/(x+y) , ...., n terms (x+y ne 1) .