\( (Q-5,2) A B \) kesmada \( A(-8 ; 6) \) va \( B(-2 ;-3) \). Shu \( A B \) kesmada E nuqta shunday Olnarki. \( 2 A E=3 E B \). \( E \) nuqta koordinatalarini toping.
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Kesmada \( A(-8 ; 6) \) va \( B(-2 ; -3) \) nuqtalarini qabul qilsak, avval \( E \) nuqtasining joylashuvi uchun parametrik tenglamani yozamiz. Berilgan munosabatga ko'ra, \( 2AE = 3EB \), shuning uchun \( \frac{AE}{EB} = \frac{3}{2} \) bo'ladi. Bu, shuningdek, \( A \) va \( B \) nuqtalari o'rtasida \( k \) nisbati bilan ifodalanadi. \( k = \frac{3}{5} \) bo'lishi zarur. Endi \( E \) nuqtasining koordinatalarini quyidagi formuladan hisoblaymiz: \[ E_x = \frac{(k \cdot B_x + A_x)}{k + 1} \quad \text{va} \quad E_y = \frac{(k \cdot B_y + A_y)}{k + 1} \] Shu tarzda, - X koordinatasi: \( E_x = \frac{(3 \cdot (-2) + (-8))}{5} = \frac{-6 - 8}{5} = -\frac{14}{5} = -2.8 \) - Y koordinatasi: \( E_y = \frac{(3 \cdot (-3) + 6)}{5} = \frac{-9 + 6}{5} = \frac{-3}{5} = -0.6 \) Shunday qilib, \( E \) nuqtasining koordinatalari \( E(-2.8, -0.6) \) ga teng bo'ladi.