In an AP third term is 15 and s10=125 find d and a10
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Answer:
d = -1
a=17
A10=a+9d= 8
Step-by-step explanation:
a+2d=15
10a+45d=125
solving both we get
d=-1
a=17
Answered by
0
Step-by-step explanation:
answer is a= 17 and d = -1
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