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(a+b+c)^3+(a+b-c)^3-(a-b+c)^3-(b+c-a)^3=27abc
prove

By Lyla

(a+b+c)^3+(a+b-c)^3-(a-b+c)^3-(b+c-a)^3=27abc
prove

About the author
Lyla

Guys matlab itni khushi ki meri I’d delete hote bach gayeಠ﹏ಠ​

-Set up an equation and solve:
(i) Add 11 to three times a number give 47.
(ii) One fourth of a number is added to 7 to

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