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Let `c_r` denote the binomial coefficient `"^nC_r` Hence, show that `C_1/C_0+2C_2/C_1+3.C_3/C_2+...+n.C_n/C_(n-1)=(n(n+1))/2`

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A N EXCEL PUBLICATION-BINOMIAL THEOREM-QUESTION BANK
  1. Let cr denote the binomial coefficient "^nCr Write the factorial formu...

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  2. Prove that (""^nCr)/(""^nC(r-1))=(n-r+1)/r

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  3. Let cr denote the binomial coefficient "^nCr Hence, show that C1/C0+2C...

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  4. Given that ""^nCr="^nC(n-r)or Cr=C(n-r) Prove that aC0+(a+b)C1+...+(a+...

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  5. Given that ""^nCr="^nC(n-r)or Cr=C(n-r) Prove that aC0+(a+b)C1+...+(a+...

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  6. What is the (r+1)^(th) term in the expansion of (3x+2y)^8?

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  7. Using the (r+1)^(th) term, find the 3rd,4th and 5th terms in the expan...

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  8. find the middle term in the expansion of (3x+2y)^8

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  9. Expand (1+x)^4,(1-x)^3 and (1-x)^2

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  10. Expand (1-x+x^2)^4

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  11. Consider the expansion of ((4x)/5-5/(2x))^9 Find the general term in t...

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  12. Consider the expansion of ((4x)/5-5/(2x))^9 Find the 7th term in the e...

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  13. Consider the expansion of ((4x)/5-5/(4x))^8 Find the (r+1)^(th) term i...

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  14. Consider the expansion of ((4x)/5-5/(4x))^8 Find the number of terms i...

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  15. Consider the expansion of ((4x)/5-5/(4x))^8 The middle term in the exp...

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  16. Consider the expansion of ((4x)/5-5/(4x))^8 Find the fourth term from ...

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  17. Consider the expansion of (3x^3+2/x^2)^40 Find the general term in the...

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  18. Consider the expansion of (3x^3+2/x^2)^40 Assuming the term containing...

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  19. Consider the expansion of (3x^2-1/(2x^3))^10 Find the (r+1)^(th) term ...

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  20. Consider the expansion of (3x^2-1/(2x^3))^10 Find the term independent...

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