Find the dimensions of the following vector spaces.Find the dimensions of the following vector spaces.

{1 point) Find the dimensions of the following vector spaces. (a) The vector space R5X3 555 {b} The vector space of 2 x 2 matrices with trace 0 E! (c) The vector space of all lower triangular 6 x 6 matrices E (d) The vector space oi all diagonal 2 x 2 matrices iii {9) The vector space P7 of polynomials with degree less than 7 iii {1} The vector space R 4