If `x prop 1/y` and `y prop 1/z`, then x `prop`……………

if x prop z and y prop z , then xy prop z .

If a prop1/b , then

If x prop y and x prop z , tehn ( y + z) prop ………..

If x prop 1/y and y prop 1/z k, then find if there be any relation of direct or inverse variation between x and z .

If a prop b, then

If x prop y then x^(n) prop

If x prop 1/y and y prop 1/z then which one of the following relation is correct?

If x prop y, then ___

If x^2 prop a^2 then a prop

If x prop y and y prop z , then prove that : (x^2+y^2+z^2) prop (xy+yz+zx) .