Question

2 by 3 ( x + y ) - 5 by 2 (y - 3) + 3 by 4 ( x + z ) - 9​

Answer 1

Step-by-step explanation:

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Given system of linear equations are 

2x+3y+3z=5

x−2y+z=−4

3x−y−2z=3.

Represent it in matrix form

⎣⎢⎢⎡2133−2−131−2⎦⎥⎥⎤⎣⎢⎢⎡xyz⎦⎥⎥⎤=⎣⎢⎢⎡5−43⎦⎥⎥⎤ which is in the form of AX=B

A=⎣⎢⎢⎡2133−2−131−2⎦⎥⎥⎤

∣A∣=10+15+15=40=0

∴ A

Answer 2

Step-by-step explanation:

Eggs are a very good source of inexpensive, high-quality protein. More than half the protein of an egg is found in the egg white, which also includes vitamin B2 and lower amounts of fat than the yolk. Eggs are rich sources of selenium, vitamin D, B6, B12 and minerals such as zinc, iron and copper.