Write a letter to the editor of Punjabi Newspaper, your views on the insecurity of women in the city
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Answered by
3
Explanation:
In order to prove this ,
Let us use the formula :
x3 + y3 + z3 - 3xyz = ( x + y + z) (x2 + y2 + z2 - xy - yz - xz)
x3 + y3 + z3 - 3xyz = 0
x3 + y3 + z3 = 3xyz
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