The word 'Rationalisation' (or Rationalization) has two distinct and very important meanings depending on the context: Mathematics and Business/Management.
In 2023, the NCERT undertook a major 'Rationalisation' of school textbooks in India, which meant reducing the syllabus by deleting certain chapters to lessen the burden on students post-pandemic.
In Mathematics (especially Algebra and Surds), Rationalisation is the process of eliminating an irrational number (like a square root) from the denominator of a fraction.
Hindi Translation: परिमेयकरण (Parimeyakaran)
In business, public administration, or daily life, rationalisation means reorganizing a process to make it more logical, efficient, and cost-effective (often involving cutting jobs or closing factories).
Hindi Translation: युक्तिकरण (Yuktikaran) / तार्किकीकरण (Tarkikikaran)
In psychology, it means inventing logical excuses or reasons to justify behaviour that is actually driven by irrational emotions or mistakes.
Hindi: औचित्य स्थापन (Auchitya sthapan) या बहाने बनाना।
A rational number is called a **परिमेय संख्या (Parimeya Sankhya)**. It is a number that can be expressed as p/q, where q is not equal to zero.
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