Question

The values of x+y+z = 15, if a,x,y,z ,b are in A.P. , while the value of
1
\x + 1/y + 1/ z is 1/3. if 1/a, 1/x, 1/y, 1/z, 1/a are in AP. Find the values of a and b
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Answer 1

Answer:

3x-19and4*4"3"5;969+"+934+