# X^4-5x²+4=0 denkleminin kaç tane gerçek kökü vardır?

**URL:** <https://sorumatik.co/t/x-4-5x-4-0-denkleminin-kac-tane-gercek-koku-vardir/11910>\
**Category:** YKS TYT\
**Tags:** 2-dereceden-denkleml\
**Created:** [Mart 14, 2023, 9:12öö UTC](https://sorumatik.co/t/x-4-5x-4-0-denkleminin-kac-tane-gercek-koku-vardir/11910 "2023-03-14T09:12:07Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Kadriye\_Tamula](https://sorumatik.co/user_avatar/sorumatik.co/kadriye_tamula/32/5512_2.png) [@Kadriye\_Tamula](https://sorumatik.co/u/Kadriye_Tamula)\
**Post date:** [Mart 14, 2023, 9:12öö UTC](https://sorumatik.co/t/x-4-5x-4-0-denkleminin-kac-tane-gercek-koku-vardir/11910/1 "2023-03-14T09:12:07Z")

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x^4-5x²+4=0

denkleminin kaç tane gerçek kökü vardır?

!1678785072968307473436098148826|666x500 [Link Silindi]

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<div class="post-metadata">

**Author:** ![Dersnotu](https://sorumatik.co/user_avatar/sorumatik.co/dersnotu/32/3037_2.png) [@Dersnotu](https://sorumatik.co/u/Dersnotu)\
**Post date:** [Mart 14, 2023, 11:05öö UTC](https://sorumatik.co/t/x-4-5x-4-0-denkleminin-kac-tane-gercek-koku-vardir/11910/3 "2023-03-14T11:05:10Z")

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Soru x^2=t dönüşümü yapılarak çözülür.

t^2-5t+4=0

(t-4).(t-1)

(x^2-4).(x^2-1)

x=+2,-2 ve x=-1,+1 bulunur 4 tanedir @Kadriye_Tamula @fatma\_şahin1