(ivi given a = 15 and S = 125. Find d and a, (Given 21 = 5 and S, = 15. Find a and a.

In an AP : Given d = 5 , s_(9)=75 find a and a_9

given: a_3=15 , S_[10]=125 , find d and a_[10]

In an AP :- given d = 5, S_9 =75, find a and a_9 .

given: a_(3)=15,S_(10)=125, find d and a_(10)

In an AP : given d = 5, S_(9) = 75 , find a and a_(9) .

given : 15 cotA = 8 find sinA and secA

given : 15 cotA = 8 find sinA and secA

In an AP :- given a_3 = 15, S_10 =125 find d and a_10 .

In an AP: (i) Given a=5, d=3, a_(n) = 50 , find n and S_(n) (ii) given a=7, a_(13) = 35 , find d and S_(13) . (iii) given a_(12) = 37, d=3 , find a and S_(12) (iv) given a_(3) = 15, S_(10) = 125 , find d and a_(10) (v) given a=2, d= 8, S_(n) = 90 , find n and a_(n) (vi) given a_(n) = 4, d=2, S_(n) = - 14 , find n and a. (vii) given l=28, S= 144, and there are total 9 terms, find a.

In an AP: (i) Given a=5, d=3, a_(n) = 50 , find n and S_(n) (ii) given a=7, a_(13) = 35 , find d and S_(13) . (iii) given a_(12) = 37, d=3 , find a and S_(12) (iv) given a_(3) = 15, S_(10) = 125 , find d and a_(10) (v) given a=2, d= 8, S_(n) = 90 , find n and a_(n) (vi) given a_(n) = 4, d=2, S_(n) = - 14 , find n and a. (vii) given l=28, S= 144, and there are total 9 terms, find a.