If in an AP a25 - a20=45 than the common difference id..
a:9
b: -9
c: 18
d:23
Answers
Answered by
2
Answer:
9
Step-by-step explanation:
a25 = a+ 24d
a20 = a +19d
a25- a20 = 5d = 45
Hence d =9
Answered by
4
Answer:
9 is your answer mate ......
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