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x+y+z = 15 if 9, x,y,z,a are in A.P., wh...

`x+y+z = 15` if 9, x,y,z,a are in A.P., while `(1)/( x) + ( 1)/( y) + ( 1)/( z) = ( 5)?( 3)` if 9, x,y,z,a are in H.P., then the value of a will be `:`

A

1

B

2

C

3

D

9

Text Solution

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The correct Answer is:
A
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