[" Find "a_(30)-a_(20)" for the A.P."],[-9,-14,-19,-24,......]

Find a_30-a_20 for the A.P (i) -9,-14,-19,-24.........(ii) a ,a+d,a+2d,a+3d,..........

The value of a_(30)-a_(20) for the A.P. -3,-1,1,"…." is

Write the value of a_(30)-a_(10) for the A.P. 4,9,14,19,

Write the value of a_(30)-a_(10) for the A.P. 4,\ 9,\ 14 ,\ 19 ,\ dot

Find t_(n) ,for the following A.P: 4,9,14,19...

What will be the value of a_(8) - a_(4) for the following A.P. 4,9,14,…………., 254

What is value of a_(16) for the A.P. -10, -12, -14, -16 ………….

If the sum of first 11 terms of an A.P., a_(1),a_(2),a_(3),.... is 0(a_(1)!=0) then the sum of the A.P., a_(1), a_(3),a_(5), ......,a_(23) is k a_(1) , where k is equal to :

Find the sum of first 24 terms of the A.P. a_1,a_2, a_3 ......., if it is inown that a_1+a_5+a_(10)+a_(15)+a_(20)+a_(24)=225.

Find the sum of first 24 terms of the A.P. a_1,a_2, a_3 ......., if it is inown that a_1+a_5+a_(10)+a_(15)+a_(20)+a_(24)=225.