Search for: Let a, b, c, d be any four consecutive coefficients in the binomial expansion of (1 + x)n,thenaa+b+cc+d−2bb+c is equal to Let a, b, c, d be any four consecutive coefficients in the binomial expansion of (1 + x)n,thenaa+b+cc+d−2bb+c is equal to AnB1C0D2n Fill Out the Form for Expert Academic Guidance!l Grade ---Class 1Class 2Class 3Class 4Class 5Class 6Class 7Class 8Class 9Class 10Class 11Class 12 Target Exam JEENEETCBSE +91 Preferred time slot for the call ---9 am10 am11 am12 pm1 pm2 pm3 pm4 pm5 pm6 pm7 pm8pm9 pm10pm Please indicate your interest Live ClassesBooksTest SeriesSelf Learning Language ---EnglishHindiMarathiTamilTeluguMalayalam Are you a Sri Chaitanya student? NoYes Verify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:Suppose a=nCr,b=nCr+1,C=nCr+2 and d=nCr+3 Nowaa+b= nCr nCr+nCr+1= nCr n+1Cr+1=r+1n+1Similarly, bb+c=(r+1)+1n+1 and cc+d=(r+2)+1n+1Thus, aa+b+cc+d−2bb+c=0 Related content Class 9 Science MCQ Chapter 12 Sound CBSE Class 12 English MCQ with Answers (Flamingo & Vistas) CBSE Class 7 Science MCQ Questions with Answers CBSE Class 12 Subject Wise MCQ 2024-25 ICSE Class 10 Toppers List 2024 Available Tenses Worksheet for Class 10 CBSE Class 7 Science Chapter 4 Heat MCQ Questions with Answers Nephron Diagram Class 10 CBSE Class 7 Science Chapter 2 Nutrition in Animals MCQ with Answers Rabindranath Tagore Jayanti 2024