Questions
One root of the following given equation
is
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a
1
b
3
c
5
d
7
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Correct option is C
Putting x=52(5)5-14(5)4+31(5)3-64(5)2+19(5)+130=0Hence x=5 satisfies the given equation.Thus 5 is a root of the equation.
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The number of real value of x for which the equality holds good is
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