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= 2 / b = 1 /a + 1 / c
= > 1 / a + 1 /c - 2 / b = 0
( using p + q + r = 0)
= > p^3 + q^3 + r ^3 = 3 pqr
be brainly
= 2 / b = 1 /a + 1 / c
= > 1 / a + 1 /c - 2 / b = 0
( using p + q + r = 0)
= > p^3 + q^3 + r ^3 = 3 pqr
be brainly
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