Home
Class 12
MATHS
Given that an=19^n-12^n then find the va...

Given that `a_n=19^n-12^n` then find the value of `(a_10-31a_9)/(57 a_8)`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise Mathematic section B|10 Videos

  • JEE MAIN 2023

    JEE MAINS PREVIOUS YEAR|Exercise Question|435 Videos

Similar Questions

Explore conceptually related problems

If alpha and beta be root of x^2-6x-2=0 with alpha gt beta if a_n=alpha^n-beta^n for n ge 1 then the value of (a_(10)-2a_8)/(3a_9)

Let alpha and beta be the roots of the equation x^(2)-6x-2=0 If a_(n)=alpha^(n)-beta^(n) for n>=0 then find the value of (a_(10)-2a_(8))/(2a_(9))

If (n+1)! =12xx(n-1)! , find the value of n.

Given t_(n)=4n-12 find t_(10)

Find the value of (3^(12+n)xx9^(2n-7))/(3^(5n))

If ^(n)C_(12)=^(n)C_(5), find the value of n

For a sequence, if S_(n)=(n)/(n+1) then find the value of S_(10) .

If C(n,12)=C(n,8) then find the values of C(n,17) and C(22,n)

JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question
  1. Let f(lamda)(x)=4lamda x^3-8lamda x^2 +36x+48 be a real function . If ...

    Text Solution

    |

  2. veca xx [(vecr-vecb)xxveca]+vecb xx [(vecr-vecc)xxvecb]+vecc xx [(vecr...

    Text Solution

    |

  3. Given that an=19^n-12^n then find the value of (a10-31a9)/(57 a8)

    Text Solution

    |

  4. 1/(2.3^10)+1/(2^2 3^9)+. . .+1/(2^9. 3^2)+1/(2^10 .3^1)=k/(2^10 . 3^10...

    Text Solution

    |

  5. int0^pi (sinx e^cosx)/((1+cos^2x)(e^cosx+e^-cosx))dx

    Text Solution

    |

  6. Find number of 3 digit odd numbers which are multiple of 7

    Text Solution

    |

  7. If two common tangents of cuves y^2=x and x^2+y^2=2 has slope m1 and m...

    Text Solution

    |

  8. If (a+b)/7=(b+c)/8=(c+a)/9 and a,b,c are the side of triangleABC ,then...

    Text Solution

    |

  9. Circle C touches the line l1=4x-3y+k1=0 , l2=4x-3y+k2=0 where k1 , k2 ...

    Text Solution

    |

  10. f:N to R be a function such that f(x+y)=f(x).f(y) for natural number x...

    Text Solution

    |

  11. f(x)=x^3+x-5 and f(g(x))=x then find the value of g'(63)

    Text Solution

    |

  12. f(x)=x^3+3x^2+2x+9 find point of inflection P(alpha , beta) and calcul...

    Text Solution

    |

  13. If veca and vecb are unit vector and angle between them is theta , fin...

    Text Solution

    |

  14. 1/3,5/9,19/27,65/81 . . . "upto" 100 term , find the GIF of S100

    Text Solution

    |

  15. If g(0,oo) to R is a differentiable function int[(x.(cos-sinx))/(e^x+1...

    Text Solution

    |

  16. f(x) be a polynomial such that f(x)+f'(x)+f''(x)=x^5+64 value of lim(x...

    Text Solution

    |

  17. Z is a point on circle passing points P: (3+4i), Q:(4+3i) and R:(5i) ,...

    Text Solution

    |

  18. How many 3xx3 matrices possible with the elements {-1,0,1} such that...

    Text Solution

    |

  19. (x+1)dy/dx-y=e^(3x)(1+x)^2 , y(0)=1/3 then y((-4)/3) =

    Text Solution

    |

  20. Consider P1 :~(p to ~q) and P2:(p wedge ~q) wedge ((~p) vvq) If p to ...

    Text Solution

    |