The sum of cube of two positive numbers is same as cube of their sum
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Step-by-step explanation:
a³ + b³ = (a+b)³
a³ + b³ = a³ + b³ + 3ab(a+b)
3ab(a+b) = 0
3ab = 0 , a=0 , b = 0
a + b = 0
a = -b
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