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If alpha, beta , gamma are the roots of ...

If `alpha, beta , gamma` are the roots of `x^(3) - px^(2) + qx - r = 0` then match the following.
`(1)/(alpha) + (1)/(beta) + (1)/(gamma)" "(a)(p^(2) - 2q)/(r^(2))`
ii.`(1)/(alpha beta) + (1)/(beta gamma) + (1)/(gamma alpha)=" "(b) (q^(2) - 2pr)/(r^(2))`
iii.`(1)/(a^(2)) + (1)/(beta^(2)) + (1)/(gamma^(2)) =" " (c ) (p)/(r )`
iv.`(1)/(alpha^(2) beta^(2)) + (1)/(beta^(2) gamma^(2) ) + (1)/(gamma^(2) alpha^(2)) = " " (d) (q)/(r )`

A

c, d, a, b

B

d, c, b, a,

C

c, a , b, d

D

c, b, a, d

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