The 10th term of an AP is 57 and it 's 15th term is 87. Find the AP.
Answers
Answered by
33
a+9d=57
a+14d=87
on simplyfyng we get
-5d=-30
d=6
substuting d in any 1 value we get
a+9*6=57
a=57-54
a=3
A.P=3,9,15,21,27,33,39,45,51,57
a+14d=87
on simplyfyng we get
-5d=-30
d=6
substuting d in any 1 value we get
a+9*6=57
a=57-54
a=3
A.P=3,9,15,21,27,33,39,45,51,57
Answered by
10
3,9,15,21,27,33,39,45,51,57,63,.........
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