Find the middle term of an A.P . 20, 16, 12 ........, -180
Answers
Answered by
2
Answer:
a1-a2
b1-b2 use this formula or concept
Answered by
1
Step-by-step explanation:
use a2-a1
d=16-20=-4
t4=12-4=8
t5=8-4=4
.......
.
till-180
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