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Assertion (A) : Ifalpha , beta,gammaare the rootsofx^3 -x-1=0thenalpha^3 + beta^3 + gamma^3 =1Reason (R ):If a +b+c=0 thena^3+ b^3+c^3= 3abc |
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Answer» bothA and RaretrueR ISTHE correctexplanationof A |
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