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Find the value of Q ((n+3)!)/((n+1)!)...

Find the value of
Q `((n+3)!)/((n+1)!)`

Text Solution

Verified by Experts

The correct Answer is:
(n + 3)(n + 2)
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PREMIERS PUBLISHERS-COMBINATORICS AND MATHEMATICAL INDUCTION-EXERCISE 4.1
  1. How many three- digit numbers, which are divisible by 5, can be for...

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  2. How many three- digit numbers, which are divisible by 5, can be for...

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  3. To travel from a place A to place B, there are two different bus rout...

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  4. How many numbers are there between 1 and 1000 (both inclusive ) whi...

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  5. How many strings can be formed using the letters of the word LOTUS ...

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  6. How many strings can be formed using the letters of the word LOTUS ...

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  7. (i) Count the total number of ways of answering 6 objective type q...

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  8. (i) Count the total number of ways of answering 6 objective type q...

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  9. (i) Count the total number of ways of answering 6 objective type q...

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  10. Find the value of Q 6!

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  11. Find the value of 6! (ii) 4 ! + 5 ! (iii) 3! - 2! (iv) 3! x...

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  12. Find the value of Q 3!-2!

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  13. Find the value of Q 3!xx4!

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  14. Find the value of Q (12!)/(9!xx3!)

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  15. Find the value of Q ((n+3)!)/((n+1)!)

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  16. Evaluate (n!)/(r!(n-r)!) when (i) n = 6, r= 2 (ii) n = 10 , r =...

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  17. Evaluate (n!)/(r!(n-r)!) when (i) n = 6, r= 2 (ii) n = 10 , r =...

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  18. Evaluate (n!)/(r!(n-r)!) when (i) n = 6, r= 2 (ii) n = 10 , r =...

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  19. Find the value of n if (i) ( n + 1) ! = 20 ( n-1 ) ! ( ii) 1/( ...

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  20. Find the value of n if (i) ( n + 1) ! = 20 ( n-1 ) ! ( ii) 1/( ...

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