Question

if alpha, beta are roots of x²-2x+3=0 then alpha +beta +alpha beta is​

Answer 1

Answer:

∆Given equation: x²-2x+3=0

.:The sum of roots=-(-2)/1=2

.: The product of roots=3

As the question,

$( \alpha + \beta) + \alpha \beta \\ = 2 + 3 = 5$

5 is the correct answer.