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If “a” is the first term and ℓ  is the last term (nth term), then the sum of all the term of this sequence is given by:
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
If “a” is the first term andℓis the last term (nth t...
 By formula 
Sn = n/2(a+l)
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Most Upvoted Answer
If “a” is the first term andℓis the last term (nth t...
In a series: a,a+d, a+2d...................a+(n-1)d last term L=a+(n-1)d,sum of n terms of a series is S= n/2[2a+(n-1)d]
=n/2[a+a+(n-1)d)
=n/2[a +L] (L=a+(n-1)d)
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If “a” is the first term andℓis the last term (nth t...
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If “a” is the first term andℓis the last term (nth term), then the sum of all the term of this sequence is given by:a)b)c)d)Correct answer is option 'A'. Can you explain this answer?
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If “a” is the first term andℓis the last term (nth term), then the sum of all the term of this sequence is given by:a)b)c)d)Correct answer is option 'A'. 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 “a” is the first term andℓis the last term (nth term), then the sum of all the term of this sequence is given by:a)b)c)d)Correct answer is option 'A'. 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 “a” is the first term andℓis the last term (nth term), then the sum of all the term of this sequence is given by:a)b)c)d)Correct answer is option 'A'. Can you explain this answer?.
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