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If a+b-c=7, ab-bc-ca=21, then a^3+b^3-c^...

If a+b-c=7, ab-bc-ca=21, then `a^3+b^3-c^3+3abc`= ?
यदि a+b-c=7, ab-bc-ca=21 है, तो `a^3+b^3-c^3+3abc`= ?

A

a)117

B

b)98

C

c)124

D

d)`-98`

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