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Given that x+y+z=15w h e na ,x ,y ,z ,b ...

Given that `x+y+z=15w h e na ,x ,y ,z ,b` are in A.P. and `1/x+1/y+1/z+=5/3w h e na ,x ,y ,z ,b` are in H.P. Then G.M. of `aa n db` is 3 One possible value of `a+2b` is 11 A.M. of `aa n db` is 6 Greatest value of `a-b` is 8

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