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Given that Cr/(C(r-1))=(n-r+1)/r Evaluat...

Given that `C_r/(C_(r-1))=(n-r+1)/r` Evaluate `C_1/C_0,C_2/C_1` and `C_3/C_2`

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`n,(n-1)/2,(n-2)/3]`
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A N EXCEL PUBLICATION-BINOMIAL THEOREM-QUESTION BANK
  1. Prove that ""^(n+1)C(r+1)=(n+1)/(r+1)"^nCr

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  2. Prove that C0+C2/3+C4/5+...=(2^n)/(n+1)

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  3. Given that Cr/(C(r-1))=(n-r+1)/r Evaluate C1/C0,C2/C1 and C3/C2

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  4. Given that Cr/(C(r-1))=(n-r+1)/r Prove that (1+C1/C0)(1+C2/C1)...(1+C...

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  5. Given that C0+C1x+C2x^2+..+Cnx^n=(1+x)^n prove that C0+5.C1+5^2.C2+......

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  6. Given that C0+C1x+C2x^2+..+Cnx^n=(1+x)^n Prove that C(1).2+C(2).2^2+....

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  7. Find the coefficient of x^4 in the expansion of (1+x)^n(1-x)^n

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  8. Find the coefficient of x^4 in the expansion of (1-x^2)^n

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  9. What is the value of C0+C1+C2+..+Cn?

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  10. What is the value of C0+C2+C4+....?

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  11. What is the value of C1+C3+C5+...?

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  12. Prove that 2C0+C1+2C2+C3+2C4+...=3.2^(n-1)

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  13. What is the coefficient of x^(n-2) in the expansion of (1+x)(1+x)^n?

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  14. What is the coefficient of x^(n-2) in the expansion of (1+x)^(2n)?

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  15. Prove that C0C2+C1C3+…+C(n-2)Cn=^(2n)C(n-2)

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  16. Given that 1/(r+1)""^nCr=1/(n+1)"'^(n+1)C(r+1) Prove that 2""^10C0+2^...

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  17. Find a, b and n in the expansion of (a+b)^n if the first three terms o...

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  18. Find a if the coefficients of x^2 and x^3 in the expansion of (3+ax)^9...

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  19. Find the coefficient of x^5 in the product (1+2x)^6(1-x)^7 using binom...

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  20. If a and b are distinct integers prove that a-b is a factor of a^n-b^n...

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