Home
Class 12
MATHS
If in the expansion of (1+x)^n ,a ,b ,c ...

If in the expansion of `(1+x)^n ,a ,b ,c` are three consecutive coefficients, then `n=` a. `(a c+a b+b c)/(b^2+a c)` b. `(2a c+a b+b c)/(b^2-a c)` c. `(a b+a c)/(b^2-a c)` d. none of these

Promotional Banner

Topper's Solved these Questions

  • BIONOMIAL THEOREM

    ARIHANT MATHS|Exercise Binomial Theorem Exerciese 7: Subjective Type Questions|5 Videos

  • BIONOMIAL THEOREM

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|21 Videos

  • BIONOMIAL THEOREM

    ARIHANT MATHS|Exercise Exercise (Statement I And Ii Type Questions)|7 Videos

  • AREA OF BOUNDED REGIONS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|23 Videos

  • CIRCLE

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|16 Videos

Similar Questions

Explore conceptually related problems

Subtract: 3a (a + b + c ) – 2 b (a – b + c) from 4c ( – a + b + c )

Simplify (a + b) (2a – 3b + c) – (2a – 3b) c.

If x^2+p x+1 is a factor of the expression a x^3+b x+c , then a^2-c^2=a b b. a^2+c^2=-a b c. a^2-c^2=-a b d. none of these

If a,b and c are any three vectors in space, then show that (c+b)xx(c+a)*(c+b+a)= [a b c]

Verify (a + b + c) (a ^(2) +b ^(2) + c ^(2) - ab - b c - ca) = a ^(3) + b ^(2) + c ^(2) - 3 abc

Show that: (a – b) (a + b) + (b – c) (b + c) + (c – a) (c + a) = 0

If a,b,c,d be four consecutive coefficients in the binomial expansion of (1+x)^(n) , then value of the expression (((b)/(b+c))^(2)-(ac)/((a+b)(c+d))) (where x gt 0 and n in N ) is

If ac lt b^2 then the sum of the coefficient in the expansion of (a alpha^2 x^2+ 2b alpha x+c)^n is (a, b,c, alpha in R and n in N)

If axxb=bxxc ne0 , then the correct statement is a. b || c b. a || b c. (a+c) || b d. none of these

ARIHANT MATHS-BIONOMIAL THEOREM-Exercise (Subjective Type Questions)
  1. Find the value of (18^3+7^3+3xx18xx7xx25) /(3^6+6xx243xx2+15xx81xx4+20...

    Text Solution

    |

  2. Determine the term independent of a in the expansion of ((a+1)/(a^(2/...

    Text Solution

    |

  3. If in the expansion of (1+x)^n ,a ,b ,c are three consecutive coeffici...

    Text Solution

    |

  4. (2^1/3+1/3^1/3)^n if the ratio of 7th term from the beginning to the 7...

    Text Solution

    |

  5. if Sn = C0C1 + C1C2 +...+ C(n-1)Cn and S(n+1)/Sn = 15/4 then n is

    Text Solution

    |

  6. C1/C0+2C2/C1+3C3/C2+............+nCn/C(n-1)=(n(n+1))/2

    Text Solution

    |

  7. Find the term in(3sqrt(((a)/(b))) + 3(sqrt((b)/ sqrt(a)))^(21) which h...

    Text Solution

    |

  8. The coefficient of x^r [0lt=rlt=(n-1)] in the expansion of (x+3)^(n-1)...

    Text Solution

    |

  9. Prove that if p is a prime number greater than 2, then the difference...

    Text Solution

    |

  10. Integer just greater then (sqrt(3)+1)^(2n) is necessarily divisible by

    Text Solution

    |

  11. Find the solution of the following inequality 6 < 2x + 4 < 10

    Text Solution

    |

  12. If (1 + x)^(n) = C(0) = C(1) x + C(2) x^(2) + …+ C(n) x^(n) , find...

    Text Solution

    |

  13. Solve the given inequality and show the graph of the solution on numbe...

    Text Solution

    |

  14. Find the coefficient of x^4 in the expansion of (1+x+x^2+x^3)^(11)dot

    Text Solution

    |

  15. Find the coefficient of x^4 in the expansion of (2-x+3x^2)^6dot

    Text Solution

    |

  16. If for z as real or complex, (1+z^2+z^4)^8=C0+C1z^2+C2z^4++C(16)z^(32)...

    Text Solution

    |

  17. Find the solution of the given inequality for real x x/3 > x/2 + 1

    Text Solution

    |

  18. Find the solution of the given inequality for real x : x/2 + x/3 < 5

    Text Solution

    |

  19. Find the solution of the following inequality for real x : 7x + 3 ge 4...

    Text Solution

    |

  20. Solve the inequality 2 le 2x - 6 le 4

    Text Solution

    |