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 Appreciation Words Wave Optics Mind Map Alternating Current Mind Map for Class 12, JEE & NEET Paramedical Courses After Class 10 Top Courses After 12th Science with PCM, PCB and PCMB Subject Change Application in School and College CBSE Class 10 Result 2024: Is the Release Date Early? Check Expected Schedule Mizoram NEET Merit List 2023 Government Jobs After 12th Arts Stream Chhattisgarh NEET UG Merit List 2023