Show that the coefficient of area expansions, `(DeltaA//A)//DeltaT`, of a rectangular sheet of the solid is twice its linear expansivity, `α_(1)`.

Show that the coefficient of area expansions, (DeltaA//A)//DeltaT , of a rectangular sheet of the solid is twice its linear expansively, alpha_(l).(alpha_(l)=10^(-5)K^(-1))

Show that the coefficient of area expansions (Delta A//A)//Delta T of a rectangular sheet of the solid is twice its linear expansivity alpha .

Show that the coefficient of area expansion , (Delta A//A)//Delta T , of a rectangular sheet of the solid is twice its linear expansivity , alpha_(1) .

Show that the coefficient of area expansion , (Delta A//A)//Delta T , of a rectangular sheet of the solid is twice its linear expansivity , alpha_(1) .

Show that the coefficeint of area expansions (Delta A//A)//Delta T of a rantangular sheet of the solid is twice its linear expansitivity alpha .

Show that the coefficient of superficial expansion of a rectangular sheet of the solid is twice its coefficient of linear expansion.

Unit of coefficient of linear expansion

Define the coefficient of linear expansion.