Home
Class 12
MATHS
Let a, b, c, d be four numbers such that...

Let `a, b, c, d` be four numbers such that `b, c, d` are in G.P. with common ratio 3 and `a, b, c` are in `A .P`. with common difference 2 , then `a+b div c+d` is equal to

Text Solution

Verified by Experts

The correct Answer is:
12
Promotional Banner

Topper's Solved these Questions

  • SCALER TRIPLE PRODUCTS

    CENGAGE|Exercise DPP 2.3|11 Videos

  • SET THEORY AND REAL NUMBER SYSTEM

    CENGAGE|Exercise Archieves|1 Videos

Similar Questions

Explore conceptually related problems

if (a,b),(c,d),(e,f) are the vertices of a triangle such that a,c,e are in GP .with common ratio r and b,d,f are in GP with common ratio s, then the area of the triangle is

Suppose a,b,c are distinct positive real numbers such that a,2b,3c are in A.P. and a,b,c are in G.P. The common ratio of G.P. is

There distinct positive numbers, a,b,c are in G.P. while log _(c) a, log _(b) c, log _(a) b are in A.P. with non-zero common difference d, then 2d=

If a,b,c,d,e be 5 numbers such that a,b,c are in A.P; b,c,d are in GP & c,d,e are in HP then prove that a,c,e are in GP

If a,b,c,d are in G.P.,prove that a+b,b+c,c+d are also in G.P.

If a,b,c are in G.P and a,p,q are in A.P such that 2a, b+p, c +q are in G.P ., then the common difference of A.P is

CENGAGE-SEQUENCE AND SERIES-Question Bank
  1. n arithmetic means A1, A2 .., An are inserted between 7 and 49 such th...

    Text Solution

    |

  2. If p, q, r are G.M. between positive number a b and A is one arithmet...

    Text Solution

    |

  3. Let a, b, c, d be four numbers such that b, c, d are in G.P. with comm...

    Text Solution

    |

  4. 1+(1+2)(1+3)/2^2(1^3+2^3)+(1+2+3)(1+3+5)/3^2(1^3+2^3+3^3)+(1+2+3+4)(1+...

    Text Solution

    |

  5. If the first and third terms of a G.P. áre a-2 and a+6 respectively an...

    Text Solution

    |

  6. If sqrt3, H, sqrt2 are in H.P., then the value of (H+sqrt2)/(H-sqr...

    Text Solution

    |

  7. If Sn=1+1/3+1/3^2+...+1/3^n-1, n in N, then least value of n suc...

    Text Solution

    |

  8. The value of 1.1+2.3+3.5+4.7+...+ upto 100 terms is equal to 100 xx 10...

    Text Solution

    |

  9. If a b c d=1 where a, b, c, d are positive reals then the minimum valu...

    Text Solution

    |

  10. overset(360)underset(k=1)sum(1/(k sqrtk+1+(k+1) sqrtk)) is the ratio o...

    Text Solution

    |

  11. If x , y, z are arbitrary positive real numbers satisfying the equatio...

    Text Solution

    |

  12. If a, b, c are non-zero real numbers, then the minimum value of the ex...

    Text Solution

    |

  13. The value of sum underset(r=1)overset(10)sum(2^r-1+8 r-3) is equal ...

    Text Solution

    |

  14. Let a1, a2, a3, ..., a21 be in arithmetic progression. If underset...

    Text Solution

    |

  15. Let S1, S2, S3, S4, S5, ....Sn are the sums of infinite geometric seri...

    Text Solution

    |

  16. The positive integral value of n such that 1.2^1+2.2^2+3.2^3+4.2^4+….+...

    Text Solution

    |

  17. For any x, y in R, x y gt 0 then the minimum value of. (2 x)/(y^3)...

    Text Solution

    |

  18. Let .E=x^(2017)+y^(2017)+z^(2017)-2017 x y z (where x, y, z ge 0) ...

    Text Solution

    |

  19. The equation x^3-6 x^2+p x-8=0 has only positive real roots. The value...

    Text Solution

    |

  20. If a, b, c are the first three non-zero terms of a geometric progressi...

    Text Solution

    |