Question
Add the following:
a(a+b),b(b+c),c(a+c) and a2+b2+c2 [2 MARKS]
a(a+b),b(b+c),c(a+c) and a2+b2+c2 [2 MARKS]
Answer:
:
Concept: 1Mark
Application: 1 Mark
⇒a(a+b)+b(b+c)+c(a+c)+a2+b2+c2
⇒a2+ab+b2+bc+c2+ca+a2+b2+c2
⇒2a2+2b2+2c2+ab+bc+ca
Was this answer helpful ?
:
Concept: 1Mark
Application: 1 Mark
⇒a(a+b)+b(b+c)+c(a+c)+a2+b2+c2
⇒a2+ab+b2+bc+c2+ca+a2+b2+c2
⇒2a2+2b2+2c2+ab+bc+ca
Was this answer helpful ?
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