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If n A.M's are inserted between two quan...

If n A.M's are inserted between two quantites a and b then their sum is equal to

A

`n(a+b)`

B

`(n)/(2) (a+b)`

C

`2n (a+b)`

D

`(n)/(2) (a-b)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-SEQUENCE AND SERIES-Practice Exercise
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  2. If the A.M. between p^(th) and q^(th) terms of an A.P be equal to A.M ...

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  3. If n A.M's are inserted between two quantites a and b then their sum i...

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  10. If l, m, n are the p^(th), q^(th), r^(th) terms of a G.P which are +ve...

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  11. If S=1 + a + a^(2) + ….+ oo (a lt 1) then the value of q=

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  12. If x= Sigma(n=0)^(oo) a^(n), y= Sigma(n=0)^(oo) b^(n), z= Sigma(n=0)^(...

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  13. If 3 and 2 are A.M and G.M of the roots of a quadratic equation then t...

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