Question

check wheather 1&3/2 are roots of 2x^2-5x+3=0​

Answer 1

Answer:

let

X=1,3/2

IF

X=1

p(X)=2X^2-5X+3

0=2 (1)^2-5 (1)+3

0=2+3-5

0=0

IF

X=3/2

P(X)=2X^2-5X+3

0=2 (3/2)^2-5 (3/2)+3

0=9/2-15/2+3

0=(9-15+6)/2

0×2=15-15

0=0

X=1,3/2

is a root of given polynomial

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