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If a = cube root 4 + cube root of 2 + 1, then find 3/a + 3/a2 + 1/ a3 |
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Answer» cube root of 4=4(1/3)=2(2/3) cube root of 2=2(1/3) a=2(2/3) +2(1/3) +1 3/a + 3/a2 + 1/a3= (3a2+3a+1) /a3 |
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