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If a-b = 18 and a^3-b^3=324, then find ...

If a-b = 18 and `a^3-b^3=324`, then find ab.
यदि a-b = 18 और `a^3-b^3=324` है, तो ab खोजें ।

A

`-102`

B

103

C

105

D

`-104`

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