Find All (A) Minors and (B) Cofactors of the Matrix

question 21

Essay

Find all (a) minors and (b) cofactors of the matrix . Show your work.

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Definitions:

Delta

A landform created by the deposition of sediment carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water.

River Terraces

Flat, bench-like surfaces adjacent to the course of a river, which indicate previous river levels and can be used to reconstruct past environmental changes.

River Terraces

Stepped, flat surfaces alongside river valleys that represent previous levels of the river bed, formed by river erosion and changes in water level.

Nile River

The longest river in Africa, flowing north through northeastern Africa to drain into the Mediterranean Sea.