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If a, (a - 2) and 3a are in AP, then the value of a is

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If $a, (a - 2)$ and $3 a$ are in AP, then the value of $a$ is

- 3

- 2

3

2

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Olivia Discussed

a, (a - 2)

and

3 a

are in AP, then the value of

a

11 mins ago

Discuss this question LIVE

11 mins ago

Text solutionVerified

Since a, a-2 and 3a are in AP

∴

a - 2 - a = 3 a - (a - 2)

\Rightarrow

2 (a - 2) = a + 3 a

\Rightarrow 2 a - 4 = 4 a

\Rightarrow 2 a = - 4

\Rightarrow a = - 2

Option B is correct.

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Question Text	If $a, (a - 2)$ and $3 a$ are in AP, then the value of $a$ is
Answer Type	Text solution:1
Upvotes	150