1.

Verify whether the values of x is zero of the polynomial or not ?p(x) = ax + b ; x = -b/a

Answer»

The value of p(x) at x = -b/a is

\(p (\frac {-b}{a}) = a (\frac {-b}{a}) + b\)

= -b + b = 0

∴ x = -b/a is a zero of p (x)


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