1. \( (3 x-2)^{2}-(x+3)^{2}=0 \) What is the absolute value of the difference between the two roots of the above equation? (A) \( \frac{11}{4} \) (B) \( \frac{9}{4} \) (C) \( \frac{5}{3} \) (D) \( \frac{11}{2} \)

205. E dato un numero \( a \). Esprimi tramite un'espressione algebrica la frase sil quadrato della differenza tra il quadra- to del cubo di \( a \) e il cubo dell'opposto del doppio del quadrato di \( a \) e semplifica l'espressione algebrica che hai scritta.

25. Bezawit is 8 years older than her sister. How old is Bezawit if the sum of their ages is 32 . ?

रामको हालको उमेर पत्ता लगाउनुहोस् । (Find the present age of Ram.) हरिको हालको उमेर पत्ता लगाउनुहोस् । (Find the present age of Hari.) स. 2065 सालमा बाबुको उमेर क्ठोराको उमेरभन्दा तेब्बर यियो। यदि बि.सं. 2085 मा बाबुको उमेर छोराको उमेरभन्दा बर हुनेछ भने, 20 2065 BS, the age of a father was three times the age of his son. If the age of the father will be two times e age of his son in 2085 BS, दिइएको क्यनहल्लाई रेखीय समीकरणको ल्रपमा लेनुहोस्। Represent the given statements in the form of linear equations. बाबुको जन्म साल पत्ता लगाउनुहोस्। 1 (Find the birth year of father.) i) होराको हालको उमेर पत्ता लगाउनुहोप् । (Find the present age of son.)

1 (1 điểm): Tìm tất cả cảc giá trị của tham số \( m \) để phương trình \[ \sqrt{2 x^{2}-(m+2) x+2 m}=x \text { (1) có hai nghiệm phân biệt. } \]

6) \( \left(2 \mathrm{X}^{3}-5\right)\left(\mathrm{X}^{2}+1\right)= \)