Tolong dong pliss Yang jawab aku invite deh

x²-2x+5=0
a=1, b=-2, c=5
α+β=-b/a
=2
α.β=c/a
=5
JA:
1/α + 1/β
=α+β/α.β
=2/5
KA:
1/α.1/β
=1/α.β
=1/5
PKB:
x²-JAx+KA=0
x²-2/5x+1/5=0
5x²-2x+1=0

semoga membantu........