Question

b) Add a2 + 3ab - bc, b2 + 3bc - ca, and c2 + 3ca - ab.​

Answer 1

Answer:

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Step-by-step explanation:

Required sum =a

2

+3ab−bc+b

2

+3bc−ca+c

2

+3ca−ab

Collecting like terms,

=a

2

+b

2

+c

2

+3ab−ab+3bc−bc+3ca−ca

=a

2

+b

2

+c

2

+2ab+2bc+2ca

Answer 2

Answer:

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