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\frac{\left(7-\sqrt{7}\right)\sqrt{7}}{\left(\sqrt{7}\right)^{2}}
\frac{7-\sqrt{7}}{\sqrt{7}} maxrajini \sqrt{7} orqali surat va maxrajini koʻpaytirish orqali ratsionallashtiring.
\frac{\left(7-\sqrt{7}\right)\sqrt{7}}{7}
\sqrt{7} kvadrati – 7.
\frac{7\sqrt{7}-\left(\sqrt{7}\right)^{2}}{7}
7-\sqrt{7} ga \sqrt{7} ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
\frac{7\sqrt{7}-7}{7}
\sqrt{7} kvadrati – 7.
\sqrt{7}-1
\sqrt{7}-1 natijani olish uchun 7\sqrt{7}-7 ning har bir ifodasini 7 ga bo‘ling.