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Let a_n be an A.P. for which a_2 = 20 and a_{10} = 40. Find a_

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Let $a_{n}$ be an A.P. for which $a_{2} = 20$ and $a_{10} = 40$ . Find $a_{5}$

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Isabella Discussed

Let

a_{n}

be an A.P. for which

a_{2} = 20

and

a_{10} = 40

. Find

a_{5}

8 mins ago

Discuss this question LIVE

8 mins ago

Text solutionVerified

Applying Arithmetic mean formula,

a = \frac{2 + 10}{2} = a_{5} = \frac{20 + 40}{2}

a_{5} = \frac{60}{2}

a_{5} = 30

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Question Text	Let $a_{n}$ be an A.P. for which $a_{2} = 20$ and $a_{10} = 40$ . Find $a_{5}$
Answer Type	Text solution:1
Upvotes	150