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Prove that (a+b+c)3a3 -b3-c3 = 3(a+b)(b+c)(c+a)
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Karthik
June 28, 2019, 4:21am
1
Prove that (a+b+c)
3
a
3
-b
3
-c
3
= 3(a+b)(b+c)(c+a)