Question

(a+b+c)²=?

please give me the answer fast!!​

Answer 1

Answer:

Hey mate,

Here is ur answer.....

(a+b+c)²= a²+b²+c²+2ab+2bc+2ca.....

Hope this helps you and if then please follow me and mark me as branliest and answer my questions....

Answer 2

Answer:

What is the formula for (a-b-c)² ?

Answer

=> (a-b-c)²

=> a² + (- b)²+(- c)² + 2{a(-b)+(-b)(-c) + (-c) + a}

=> a² + b² + c² - 2ab + 2bc + 2ac.

Hence , Done!

Step-by-step explanation:

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