Answer :
Answer:
83
Step-by-step explanation:
Formula for 13th term:
t(13) = a + 12d, where a- first term, d- common difference
Given
- t(13) = 59
- d = -2
- a = ?
As per the formula for 13th term:
- 59 = a + 12*(-2)
- 59 = a - 24
- a = 59 + 24
- a = 83
Answer:
83
Step-by-step explanation:
Formula for 13th term:
t(13) = a + 12d, where a- first term, d- common difference
Given
As per the formula for 13th term: