Search for: ∑r=0n (−1)r nCr1+rx1+nx is equal to ∑r=0n (−1)r nCr1+rx1+nx is equal to A1B-1CnD0 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:Let E=∑r=0n (−1)r nCr1+rx1+nx=11+nx∑r=0n (−1)r nCr(1+rx)=11+nx∑r=0n (−1)r⋅nCr+x∑r=0n r(−1)rnCr=11+nx(0+0)=0∵nC0−nC1+nC2−nC3+…(−1)n nCn=0 Related content CBSE Class 11 English Core Writing and Grammar – Tenses Worksheet Top 10 Maths Project for Class 6 Class 10 Maths MCQs How to Download NTA NEET Admit Card 2024 Rashi And Nakshatra Quiz CBSE MCQ for Class 10 Science Genes – Definition, Structure, Diagram and its Types Octal to Binary Converter Km to cm Conversion mm to km Conversion