Search for: The coefficient of x7 in 1+3x−2x310is equal to The coefficient of x7 in 1+3x−2x310is equal to A62640B26240C64620DNone of these 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: The coefficient of x7 in 1+3x−2x310=∑10!n1!n2!n3!(1)n1(3)n2(−2)n3where n1+n2+n3=10,n2+3n3=7Different possibilities are as follown1n2n3370541712∴ Coefficient of x7=10!3!7!(1)3(3)7(−2)0+10!5!4!1!(1)5(3)4(−2)1+10!7!1!2!(1)7(3)1(−2)2=62640 Related content Female Reproductive System Diagram Class 10 NCERT Solutions for Class 11 English Reading Skills Chapter 1 The Portrait of a Lady 50+ Simple GK Questions and Answers for Class 8 Animal Cell Diagram Class 9 Preparation Strategy for NEET Repeaters CBSE Power Sharing Class 10 MCQs Political Science Chapter 1 How to Self Study for NEET Dropper at Home? CBSE Class 9 English Wind Worksheet Viram Chinh in Hindi Worksheets Class 9 with Answers MP Board Class 8 Result 2024 – MPBSE Class 8 Result (Out)