Question

3. If A

Prove that

= [1 ]

a

a -b

Show that A2-(a+d) A = (bc-ad).

b

b-

b+c c+ a

C

C- a

a+b

c

=(a3 + b3 + c3 – 3abe)(y- z)(z – x)​

Answer 1

Answer:

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