Math, asked by Bkkumar, 10 months ago

aa square minus b square minus A square minus 2 to BC

Answers

Answered by tapodyuti123

0

Answer:

*/ = a²+(-b)²+(-c)²+2a(-b)+2(-b)(-c)+2(-c)a. = a²+b²+c²-2ab+2bc-2ca.

Step-by-step explanation:

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