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CBSE Class 11-science Answered

How to solve this
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Asked by lovemaan5500 | 03 Jun, 2018, 12:15: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight C presuperscript straight n subscript straight r equals straight C presuperscript straight n subscript straight n minus straight r end subscript 2 straight r minus 2 equals straight r minus 6 straight r equals negative 4..... not space possible or space 2 straight r minus 2 equals 34 minus open parentheses straight r minus 6 close parentheses straight r equals 14 end style
Answered by Arun | 04 Jun, 2018, 10:13: AM

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CBSE 11-science - Maths
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