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**jonny****Guest**

Let

and suppose thatand

have a common irrational root , thenwhich one is Right

(d) none

**sameer mishra****Member**- Registered: 2010-08-27
- Posts: 64

d is correct answer of this question

we know that irrational root occur in conjugate pair

we assume g(x)=(x-y)f(x)

(x-y)(x^2+ax+b)

x^3+ax^2+bx-yx^2-axy-by=x^3+px+q

x^3+(a-y)x^2+(b-ay)x-by=x^3+px+q

a=y

b-ay=p

-by=q

from here no relation will match

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