please solve 2 question it's urgent
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[0010001111]... Hello User... [1001010101]
Here's your answer...
(a+b+c)²+(a-b+c)²+(a+b-c)²
= a²+b²+c²+2ab+2bc+2ca+a²+b²+c²-2ab-2bc+2ca+a²+b²+c²+2ab-2bc-2ca
= 3a²+3b²+3c²+2ab-2bc+2ca
[0110100101]... More questions detected ... [010110011110]
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Here's your answer...
(a+b+c)²+(a-b+c)²+(a+b-c)²
= a²+b²+c²+2ab+2bc+2ca+a²+b²+c²-2ab-2bc+2ca+a²+b²+c²+2ab-2bc-2ca
= 3a²+3b²+3c²+2ab-2bc+2ca
[0110100101]... More questions detected ... [010110011110]
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