X^4-x^3-19x^2-49x-30=0
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athirakrishnan2016:
The rational root of the given equation must be integer they must be divisor of 30.. so rational roots are +
1,2,3,5,6,10,15,30... F(1),f(2),f(3),f(-5)=0.... Roots are 1,2,3,-5
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