Question

prove that x²+2x+3 have no zero​

Answer 1

Answer:

p(x) = x² + 2x + 3

•To find zeros

p(x)=0

x²+2x+3=0

•By using quadratic formula.

D=b²-4ac

D=2²-4×1×3

D=4-12

➠D=-8

➡️Since can't be in negative.

The given polynomial doesnt have real roots.

Hence proved✔️✔️

hope this will help you~~~~`