The sum of the series 20c0 - 20c1 + 20c2 - 20c3+........+20c10 is : ____
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Given that
a=3
b=3
c=2
The number and kind of roots depend on the Discriminant of the equation .
Formula for the Discriminant ,D is given by this
So using the formula we get that
Concept is that if the Discriminant is negative then no real solution is possible ,
here using the Discriminant formula we have got the Discriminat value as -15 which is a negative number so we say there is no real solution for the given information .
Hence <u><em>C</em></u> is the correct option .