5.
The 3rd term of an AP is -40 and 13h term is 0, then the common difference equals
a. -40.
b. -4.
c. 4.
d. 40.
Answers
Answered by
1
Answer:
option c. 4
Step-by-step explanation:
a+2d= - 40
a +12d=0
on subtracting
d =4
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