Home
Class 12
MATHS
.Let a1, a2, a3... be in AP and g1, g2....

.Let `a_1, a_2, a_3...` be in AP and `g_1, g_2...` be in GP If `a_1, g_1=2` and `a_(10) = g_(10)=3`, then (A) `a_(19).g_7` is an integer (B) `a_7g_(19)` is an integer (C) `a_(19)g_(10)` is not an integer (D) none of these

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP ENGLISH|Exercise All Questions|15 Videos

  • MATRICES

    RESONANCE DPP ENGLISH|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

Let a_1,a_2 ,a_3 …..be in A.P. and a_p, a_q , a_r be in G.P. Then a_q : a_p is equal to :

Let a_1, a_2, a_3, ...a_(n) be an AP. then: 1 / (a_1 a_n) + 1 / (a_2 a_(n-1)) + 1 /(a_3a_(n-2))+......+ 1 /(a_(n) a_1) =

If a_1, a_2, a_3,.....a_n are in H.P. and a_1 a_2+a_2 a_3+a_3 a_4+.......a_(n-1) a_n=ka_1 a_n , then k is equal to

Let a_1, a_2, a_3, ?a_10 are in G.P. if a_3/a_1 =25 then a_9/a_5 is equal to (A) 5^4 (B) 4.5^4 (C) 4.5^3 (D) 5^3

Let a_1, a_2, a_3, ?a_10 are in G.P. if a_3/a_1 =25 then a_9/a_5 is equal to (A) 5^4 (B) 4.5^4 (C) 4.5^3 (D) 5^3

Let a_1,a_2,a_3…., a_49 be in A.P . Such that Sigma_(k=0)^(12) a_(4k+1)=416 and a_9+a_(43)=66 .If a_1^2+a_2^2 +…+ a_(17) = 140 m then m is equal to

If a_1,a_2,a_3,...,a_(n+1) are in A.P. , then 1/(a_1a_2)+1/(a_2a_3)....+1/(a_na_(n+1)) is

Let a_1,a_2,a_3….., a_(101) are in G.P with a_(101) =25 and Sigma_(i=1)^(201) a_i=625 Then the value of Sigma_(i=1)^(201) 1/a_i eaquals _______.

Let a_1,a_2,a_3,...... be an A.P. such that [a_1+a_2+......+a_p]/[a_1+a_2+a_3+......+a_q]=p^3/q^3 ; p!=q .Then a_6/a_[21] is equal to:

A sequence of number a_1, a_2, a_3,…..,a_n is generated by the rule a_(n+1) = 2a_(n) . If a_(7) - a_(6) = 96 , then what is the value of a_(7) ?

RESONANCE DPP ENGLISH-JEE MAINS-All Questions
  1. Construct the truth table for the followings statements : (a) (p^^q)...

    Text Solution

    |

  2. Given lines (x-4)/(2)=(y+5)/(4)=(z-1)/(-3) and (x-2)/(1)=(y+1)/(3)=(z)...

    Text Solution

    |

  3. .Let a1, a2, a3... be in AP and g1, g2... be in GP If a1, g1=2 and a...

    Text Solution

    |

  4. If f(x)={ax^3+b, for 0 le x le 1 and 2cospix+tan^-1x, for 1 < x le 2 b...

    Text Solution

    |

  5. The straight line (x)/(4)+(y)/(3) =1 intersects the ellipse (x^(2))/(1...

    Text Solution

    |

  6. The area bounded by the curve y=|cos^(-1)(sinx)|-|sin^(-1)(cosx)| and ...

    Text Solution

    |

  7. A tangent to the ellipse x^(2)+4y^(2)=4 meets the ellipse x^(2)+2y^(2)...

    Text Solution

    |

  8. If the mid-point of a chord of the ellipse (x^2)/(16)+(y^2)/(25)=1 (0,...

    Text Solution

    |

  9. If |a|lt|b|,b-alt1 and a,b are the real roots of the equation x^2-|a...

    Text Solution

    |

  10. (lim)(x->0)(1-cos^n(1-cosx)/(tan^m x))=1. Then (n - m) is :

    Text Solution

    |

  11. Let vertices of an acute-angled triangle are A(z1),B(z2),a n dC(z3)dot...

    Text Solution

    |

  12. If the area by y=x^2+2x-3 and the line y=k x+1 is the least, find k an...

    Text Solution

    |

  13. Let z1, z2........ zn be equi-modular non-zero complex numbers such th...

    Text Solution

    |

  14. If f(n)=int(0)^(2015)(e^(x))/(1+x^(n))dx, then find the value of lim(n...

    Text Solution

    |

  15. If pa n dq are chosen randomly from the set {1,2,3,4,5,6,7,8,9, 10} wi...

    Text Solution

    |

  16. There are six periods in each working day of a school. Find the number...

    Text Solution

    |

  17. Find the set of values of a for which the equation |x-1|^2+(a-1)|x-1|+...

    Text Solution

    |

  18. If variance of ten observations 10,20,30,40,50,....100 is A and varian...

    Text Solution

    |

  19. Solve the following equation by using the general expressions for root...

    Text Solution

    |

  20. about to only mathematics

    Text Solution

    |