" Write the value of "a_(30)-a_(10)" for the "AP:4,9,14,19,......

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

Write the value of a_(25) -a_(15) for the AP 5, 9, 13, 17..................

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

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 ………….

Find a_(30)-a_(20) for the A.P.-9,-14,-19,-24,a,a+d,a+2d,a+3d,dots

If a_(1), a_(2), a_(3), ……. , a_(n) are in A.P. and a_(1) = 0 , then the value of (a_(3)/a_(2) + a_(4)/a_(3) + .... + a_(n)/a_(n - 1)) - a_(2)(1/a_(2) + 1/a_(3) + .... + 1/a_(n - 2)) is equal to

In A.P, a_(3)=9, a_(10)=21 then S_(12)= ..........

If a_(1),a_(2),a_(3),a_(4) and a_(5) are in AP with common difference ne 0, find the value of sum_(i=1)^(5)a_(i) " when " a_(3)=2 .