If p(x)=2x^2+5x-3. check whether 1/2 is a zero of p(x)
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p(x)=2x²+5x-3.
p(1/2) = 2(1/2)² +5(1/2)- 3
=2(1/4)+ 5/2 -3
=1/2 +5/2 -3
=6/2 -3
=3-3 =0
since the result obtained is 0 p(1/2) is a zero of p(x).
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