Q64.The value of ∑30r=16(r + 2)(r −3) is equal to: (1) 7775 (2) 7785 (3) 7780 (4) 7770
What This Question Tests
This question assesses the ability to evaluate a finite sum by expanding the general term, breaking it into sums of powers of natural numbers, and applying standard summation formulas.
Concepts Tested
Formulas Used
∑n = n(n+1)/2
∑n² = n(n+1)(2n+1)/6
∑c = cn
📚 NCERT Sections This Tests
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📋 Question Details
- Chapter
- Sequences & Series
- Topic
- Summation of series
- Year
- 2015
- Shift
- 10 Apr Online
- Q Number
- Q64
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 9: Sequences and Series
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