Math, asked by rohit8285, 6 months ago

ए प्लस बी प्लस सी का होल स्क्वायर प्लस ए माइनस बी माइनस सी का होल स्क्वायर​

Answers

Answered by yadavamita28
12

Answer:

1. (a+b+c)²=a²+b²+c²+2ab+2bc+2ca

2. (a-b)²= a²+b²- 2ab

Answered by mayaguptabtpgmailcom
20

Answer:

2Awhole square

Step-by-step explanation:

according to question:

(a+b+c)2 + (a-b-c)2

a2+b2+c2 + a2-b2-c2 (+b2 is cut with -b2 and +c2 is cut with -c2)

a2 + a2

2a2

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