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If a+b+c=5 and ab+bc+ca=4, then a^3+b^3+...

If a+b+c=5 and ab+bc+ca=4, then `a^3+b^3+C^3 -3abc` is equal to:
यदि a+b+c=5 और ab+bc+ca=4, है, तो `a^3+b^3+C^3 -3abc` बराबर हैः

A

62

B

72

C

68

D

65

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