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Given a matrix `A=[a b c b c a c a b],w h e r ea ,b ,c` are real positive numbers `a b c=1a n dA^T A=I ,` then find the value of `a^3+b^3+c^3dot`

A

a+b+c=5

B

`a^(2)+b^(2)+c^(2)=6`

C

ab+bc+ca=2

D

`a^(3)+b^(3)+c^(3)=4`

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The correct Answer is:
D
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MOCK TEST 2-MCQS
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