Verify whether the folloowing number is a zero of the polynomial- P(x)=lx+m,x=-m/1
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P(x)=lx+m
for x=-m/l
P(-m/l)=l(-m/l)+m
=-m+m=0
yes,it is a zero
for x=-m/l
P(-m/l)=l(-m/l)+m
=-m+m=0
yes,it is a zero
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