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If in the expansion of 
the sum of coefficients of x5 and x10 is 0 , then the coefficient of the third term is
the sum of coefficients of x5 and x10 is 0 , then the coefficient of the third term is- a)455
- b)105
- c)605
- d)120
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
If in the expansion ofthe sum of coefficients of x5and x10is 0 , then ...
We have,
General term of the binomial expansion of
For coefficient of x5, put
3n − 5r = 5
⇒ 5r = 3n − 5
And, for coefficient of x10, put
3n − 5r = 10
⇒ 5r = 3n − 10
Then,
3n − 5r = 5
⇒ 5r = 3n − 5
And, for coefficient of x10, put
3n − 5r = 10
⇒ 5r = 3n − 10
Then,
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If in the expansion ofthe sum of coefficients of x5and x10is 0 , then the coefficient of the third term isa)455b)105c)605d)120Correct answer is option 'B'. Can you explain this answer?
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If in the expansion ofthe sum of coefficients of x5and x10is 0 , then the coefficient of the third term isa)455b)105c)605d)120Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about If in the expansion ofthe sum of coefficients of x5and x10is 0 , then the coefficient of the third term isa)455b)105c)605d)120Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If in the expansion ofthe sum of coefficients of x5and x10is 0 , then the coefficient of the third term isa)455b)105c)605d)120Correct answer is option 'B'. Can you explain this answer?.
If in the expansion ofthe sum of coefficients of x5and x10is 0 , then the coefficient of the third term isa)455b)105c)605d)120Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about If in the expansion ofthe sum of coefficients of x5and x10is 0 , then the coefficient of the third term isa)455b)105c)605d)120Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If in the expansion ofthe sum of coefficients of x5and x10is 0 , then the coefficient of the third term isa)455b)105c)605d)120Correct answer is option 'B'. Can you explain this answer?.
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