4, 45, 368, 2583, 15504, ?

456.5, 407, 368.5, 341, 324.5 ?

Express the matrix A=|(3, 2 ,3),(4,5 ,3),( 2, 4,5)| as the sum of a symmetric and a skew-symmetric matrix.

9 4.5 4.5 6.75 13.5 33.75 ?

9 4.5 4.5 6.75 13.5 33.75 ?

DPP - 4,5 and 6

Subtract the sum of -368 and 245 from -211.