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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)if9,X, Y, Z, a` are in H.P., then the value of a will be -

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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 :

The value of x + y + z is 15 if a, x, y, z, b are in A.P. while the value of (1)/(x) + (1)/(y) + (1)/(z) + (1)/(z) is (5)/(3) if a, x, y, z, b are in H.P. the value of a and b are

The value of x + y + z is 15. If a, x, y, z, b are in AP while the value of (1)/(x) + (1)/(y) + (1)/(z) " is " (5)/(3) . If a, x, y, z b are in HP, then find a and b .

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The value of x+y+z is 15 if a,x,y,z,b are in AP while 1/x+1/y+1/z is 5/3 if a,x,y,z,b are in HP ,then the value of a is

If x, y, z are in H.P., then the value of (x+y)/(y-x)+(y+z)/(y-z) is