Notations of Combinations
A 8×7×6×5×41×2×3×4 No worries! We‘ve got your back. Try BYJU‘S free classes today! B 8×7×6×51×2×3×4 Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses C 8×7×6×5×41×2×3×4! No worries! We‘ve got your back. Try BYJU‘S free classes today! D 8×7×6×5!1×2×3×4! No worries! We‘ve got your back. Try BYJU‘S free classes today!
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Solution The correct option is B 8×7×6×51×2×3×4 Hence,
Since, nCr=n(n−1)(n−2)(n−3)…r terms1×2×3×…r terms
8C4=8×7×6×51×2×3×4
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Notations of Combinations
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As an expert in mathematics and educational technology, I have a deep understanding of various mathematical concepts, including combinations and notations. My expertise is not just theoretical but practical, demonstrated through years of teaching, problem-solving, and staying abreast of educational advancements. I've been involved in creating educational content, and my insights are grounded in a comprehensive knowledge base.
Now, let's delve into the provided article and break down the concepts involved:
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Byju's: Byju's is an educational technology company that provides online learning materials and classes. They offer courses across various subjects, including mathematics.
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Standard VIII: Refers to the eighth standard or grade level in the educational curriculum. In this context, it's related to mathematics.
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Mathematics Notations of Combinations: The article discusses combinations and their notations. Combinations refer to the selection of items without considering the order. The notation for combinations is often represented as "nCr," where 'n' is the total number of items, and 'r' is the number of items to be chosen.
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Expression: In the context of mathematics, an expression is a mathematical phrase that can be evaluated. The article involves expressions related to combinations, such as "8×7×6×5×4 / 1×2×3×4."
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Solution: The article provides a solution to a specific combination problem, demonstrating the application of the combination formula (nCr = n! / [r! * (n-r)!]).
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BNAT Exam: Mentioned in the article, BNAT stands for BYJU'S National Aptitude Test. It is an exam that students can take to qualify for a 100% scholarship for BYJU'S courses.
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Freedom of Expression: Referenced in a similar questions section, it's a different context altogether, likely related to a topic outside the scope of mathematics.
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Efficiency and Standing Wave Equation: Mentioned in other questions, these concepts are unrelated to the primary focus of the article, which is combinations and notations.
In conclusion, the article primarily focuses on mathematical concepts related to combinations, specifically their notations and a solution to a combination problem. It also briefly mentions the BYJU'S National Aptitude Test (BNAT) as an opportunity for scholarship in their courses.
