- #1
IB
- 45
- 0
Please help...
Given U3 = 0
S15 = -300
How can you find d? And U1?
(Instead of "T", we use "U" for "term", and d is the common difference)
Thanks!
Given U3 = 0
S15 = -300
How can you find d? And U1?
(Instead of "T", we use "U" for "term", and d is the common difference)
Thanks!
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