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Find the 50th term of the series 2+3+6+1...

Find the 50th term of the series `2+3+6+11+18+…`.

A

`49^(2) - 1`

B

`49^(2)`

C

`50^(2) + 1`

D

`49^(2) + 2`

Text Solution

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The correct Answer is:
D
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ML KHANNA-PROGRESSIONS -PROBLEM SET - 4 (MULTIPLE CHOICE QUESTIONS)
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  3. The sum of the series (1)/(3.5) + (1)/(5.7) + (1)/(7.9)+…. ad infinity...

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  4. If Sigma(r=1)^(n)t(r)=(1)/(6)n(n+1)(n+2), AA n ge 1, then the value o...

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  5. The sum of the infinite series 1 + (1+a) x + (1 + a + a^(2)) x^(2) + (...

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  13. The sum to infinite terms of the arithmetic - gemoetric progression 3,...

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  15. The sum to infinity of the series 1 + (2)/(3) + (6)/(3^(2)) + (10)/(3^...

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