(a + b)(b – c)(c – a)(b – a)(b – c)(c – a)(a –b)(b – c)(c – a)(a –b)(b + c)(c – a)

Short trick :

ab(a – b) + bc(b – c) + ca(c – a)

Let a = 1, b = 2 và c = 3, then

⇒ 1 × 2 (1 – 2) + 2 × 3 (2 – 3) + 3 × 1 (3 – 1)

⇒ 2 × (–1) + 6 × ( - 1) + 3 × 2

⇒ –2 – 6 + 6

⇒ –2

With the help of option 2

(b – a)(b – c)(c – a)

⇒ (2 – 1)(2 – 3)(3 – 1)

⇒ 1 × ( - 1) × 2

⇒ –2

SSC CGL Tier III Result has been released on 20th December 2022 for the 2021 cycle. The candidates who cleared the Tier III are eligible for Document Verification/ Skill Test. Earlier, Staff Selection Commission had released the SSC CGL Answer Key on 17th December 2022. SSC CGL 2022Tier IExamwas conducted from 1st lớn 13th December 2022.The SSC CGL 2022 Notification was out on 17th September 2022. The SSC CGL Eligibilityisa bachelor’s degree in the concerned discipline. This year, SSC hadcompletely changed the exam pattern and for the same, the candidates can read theSSC CGL New Exam Patternto know more.

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