Which of the following is the common difference of an arithmetic sequence if a3=4 and a5=14
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Answer:
d= 5
Step-by-step explanation:
since; a3=4
=> a+2d=4 .... 1
a5=14
=> a+4d= 14 ......... 2
from 1 and 2
2d =10
therefore d=5
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