If A = [ array*20c 2&3 - ;1&2 array ] = 1/2;( P + Q ) where P is symmetric and Q is skew symmetric matrix then P and Q a
Recall the rule formula P=A+Aᵀ gives symmetric, Q=A-Aᵀ gives skew. Computing: P=[[6,6,5],[6,2,9],[5,9,14]], Q=[[0,-2,5],[2,0,-3],[-5,3,0]]. Full solution.
Ref: NCERT Mathematics Class XII — Matrices and Determinants
