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KatRina [158]
4 years ago
11

If a+1,2a+1,4a-1 are in A.P, then the value of a is

Mathematics
1 answer:
seraphim [82]4 years ago
7 0

Answer:

2

Step-by-step explanation:

∵a+1,2a+1,4a-1 are in A.P.

2(2a+1)=a+1+4a-1

4a+2=5a

5a-4a=2

a=2

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