Al colocar las manos por encima de una vela encendida, éstas se calientan debido a que se le transfiere calor por

When you place your hands over a lit candle, the candle becomes warm because heat is transferred to it by

Explanation:

i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.

the answer is kevlar