The 21st term of the AP whose 1st two terms are -3 and 4 is ...............
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Answered by
5
Answer:
it is 137
Step-by-step explanation:
consider 21 st term as t21
A=-3
D=4-(-3)=7
T21=A+(n-1)D
T21=-3+(20)7
T21=-3+140
T21=137
So 21st term is 137
hope it helps for u
Answered by
1
Answer:
Step-by-step explanation:
xainabkincsem1 had deleted my answer and I am giving the same answer again and it is my right.
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