What is the common difference
of an AP in
which a=4 and a21
= 84
Answers
Answered by
2
Answer:
d=6...
Hope it helps you...☺️
Answered by
1
- a = 4
- a21 = 84
=> a+20d = 84
=> 4+20d = 84
=> d = 80/20 = 4
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