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(x^2+1)/x=1
x^2+1=x
x^2+1-x=0 atau bisa juga ditulis x^2-x+1=0
x^10 + x^-10
=(x^10)*1/x^10
=(x^20+1)/x^10
ket: ^ pangkat
* kali
/ bagi
semoga membantu :-)