Mathematics
If b is the mean proportional between a and c, prove that (ab + bc) is the mean proportional between (a2 + b2) and (b2 + c2).
Related Questions
Find two numbers such that the mean proportional between them is 28 and the third proportional to them is 224.
If b is the mean proportional between a and c , prove that a, c, a2 + b2 and b2 + c2 are proportional.
If y is the mean proportional between x and z, prove that
xyz(x + y + z)3 = (xy + yz + zx)3