Home
Class 12
MATHS
alpha and beta are the roots of x^2-x-1=...

`alpha` and `beta` are the roots of `x^2-x-1=0` and `S_n=2023 alpha^n + 2024 beta^n` then

A

`S_(12)=S_(11)+S_(10)`

B

`2S_(12)=S_(11)+S_(10)`

C

`S_(11)=S_(12)+S_(10)`

D

`S_(10)=S_(11)+S_(12)`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2024

    JEE MAINS PREVIOUS YEAR|Exercise Questions|18 Videos
  • JEE MAIN 2023

    JEE MAINS PREVIOUS YEAR|Exercise Question|435 Videos
  • JEE MAIN 2024 ACTUAL PAPER

    JEE MAINS PREVIOUS YEAR|Exercise Question|598 Videos

Similar Questions

Explore conceptually related problems

If alpha and beta are the roots of the equation x^(2)-3x-15=0 and (n)=alpha^(n)+beta^(n) then find the value of (f(8)-3f(7)+f(6))/(2f(6))

If alpha,beta are the roots of the equation, x^(2)-x-1=0 and S_(n)=2023 alpha^(n)+2024 beta^(n) ,then 2S_(12)=S_(11)+S_(10)

If alpha and beta are the roots of ax^(2)+bx+c=0andS_(n)=alpha^(n)+beta^(n), then aS_(n+1)+bS_(n)+cS_(n-1)=0 and hence find S_(5)

If alpha and beta are roots of x^(2)-x+2=0 and S_(n).=alpha^(n)+beta^(n),n in N ,then value of (sum_(n=1)^(5)s_(n))/(sum_(n=1)^(4)alpha^(n)+sum_(n=1)^(4)beta^(n)+7) is

Let alpha and beta are the roots of x^(2)+10x-7=0. If a_(n)=alpha^(n)+beta^(n) for n<=1 then the value of (a_(12)-7a_(10))/(2a_(11)) is

If alpha and beta are the roots of the equation x^(2)-ax+b=0 and A_(n)=alpha^(n)+beta^(n), then which of the following is true?

If alpha and beta are the roots of the equation x^(2)-ax+b=0 and A_(n)=alpha^(n)+beta^(n), then which of the following is true?

If alpha, beta are the roots of x^2 + x +1 = 0 and s_n=alpha^n+beta^n then |[3,1+s_1,1+s_2],[1+s_1,1+s_2,1+s_3],[1+s_2,1+s_3,1+s_4]|

If alpha and beta are the roots of the equation ax^(2)+bx+b=0 and S_(n)=alpha^(n)+beta^(n), then aS_(n+1)+bS_(n)+cS_(n-1)=

JEE MAINS PREVIOUS YEAR-JEE MAIN 2024-Questions
  1. alpha and beta are the roots of x^2-x-1=0 and Sn=2023 alpha^n + 2024 b...

    Text Solution

    |

  2. If f(x)={(-2,,,-2,le,x, <,0),(x-2,,,0,le,x, le,2):} and h(x) = f(|x|) ...

    Text Solution

    |

  3. Let ABC be a triangle. If P1, P2, P3, P4, P5 are five points on side A...

    Text Solution

    |

  4. Let y(x) be a curve given by differential equation (dy)/(dx) - y = 1 +...

    Text Solution

    |

  5. Let there are 3 bags A, B and C. Bag contain 5 black balls and 7 red b...

    Text Solution

    |

  6. The number of rational terms in the expansion of (2^(1/2) + 3^(1/3))^(...

    Text Solution

    |

  7. 2 and 6 are roots of the equation ax^2 + bx + 1 = 0 then the quaratic ...

    Text Solution

    |

  8. Let f(x)={(frac{1-cos2x}{x^2},x, <,0),(alpha,x,=,0),(beta (frac{sqrt(1...

    Text Solution

    |

  9. One point of intersection of curve y = 1 + 3x - 2x^2 and y = 1/x is (...

    Text Solution

    |

  10. If alpha and beta are sum and product of non zero solution of the equa...

    Text Solution

    |

  11. If domain of the function f(x) = sin^(-1) (frac{3x - 22}{2x - 19}) + l...

    Text Solution

    |

  12. The value of lim(xrarr 4) frac{(5 + x)^(1/3) - (1 + 2x)^(1/3)}{(5 + x)...

    Text Solution

    |

  13. If the function f(x) ={(1/|x|,|x|,ge,2),(zx^2+2b,|x|,<,2):} differenti...

    Text Solution

    |

  14. Let alpha, beta in R. If the mean and the variable of 6 observation, -...

    Text Solution

    |

  15. A square is inclined in the circle x^2 + y^2 - 10 x - 6y + 30 = 0 such...

    Text Solution

    |

  16. Let f(x) = x^5 + 2e^(x/4) AA x in R. Consider a function of (gof) (x) ...

    Text Solution

    |

  17. Let f(x) =frac{2x^2 - 3x + 9} {2x^2 +3x + 4}, x in R, if maximum and m...

    Text Solution

    |

  18. int0^(pi/4) frac{sin^2 x}{1 + sin x. cos x}, dx = 0

    Text Solution

    |

  19. 2, p, q are in G.P. (where p ne q) and in A.P., 2 is third term, p is ...

    Text Solution

    |