Home
Class 12
MATHS
If m ,n in Na n dm^2-n^2=13 ,t h e n(m+...

If `m ,n in Na n dm^2-n^2=13 ,t h e n(m+1)(n+1)` is equal to a. 42 b. 56 c. 50 d. none of these

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP|Exercise All Questions|15 Videos
  • MATRICES

    RESONANCE DPP|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

If (1+t a n1^0)dot(1+t a n2^0)dot(1+t a n3^0)(1+tan45^0)=2^n , then ' n ' is equal to 16 b. 23 c. 3 0 d. none of these

If A+B+C=180^0 , then (t a n A+t a n B+t a n C)/(t a n A t a n B t a n C) is equal to t a n A t a n B t a n C b. 0 c. 1 d. none of these

If sintheta=-1/2a n d t a ntheta=1/(sqrt(3))t h e n theta s equal to- 30^0 b.150^0 c.210^0 d.none of these

If D_k=1nn2k n^2+n+1n^2+n2k-1n^2n^2+n+1a n dsum_(k=1)^n D_k=56. then n equals 4 b. 6 c. 8 d. none of these

Suppose that F(n+1)=(2(F(n+1))/2forn=1,2,3 a n dF(1)=2. T h e ndotF(101) equals 50 b. 52 c. 54 d. none of these

If 1^2+2^2+3^2+n^2=1015 then the value of n is equal to (A) 13 (B) 14 (C) 15 (D) none of these

If D_k=|[1,n,n],[2k,n^2+n+2,n^2+n],[2k-1,n^2,n^2+n+2]| and sum_(k=1)^n D_k=48 ,then n equals (a)4 (b) 6 (c) 8 (d) none of these

If n is a whole number such that n+n=n ,\ t h e n\ n=? (a) 1 (b) 2 (c) 3 (d) none of these

If (1^(2)-t_(1))+(2^(2)-t_(2))+...+(n^(2)-t_(n))+=(n(n^(2)-1))/(3) then t_(n) is equal to n^(2) b.2nc.n^(2)-2nd .none of these

If |x^n x^(n+2)x^(2n)1x^a a x^(n+5)x^(a+6)x^(2n+5)|=0,AAx in R ,w h e r en in N , then value of a is n b. n-1 c. n+1 d. none of these

RESONANCE DPP-JEE MAINS-All Questions
  1. Number of ordered pairs (a,b) for which sin^(-1)(1+b+b^2+..oo)+cos^(-1...

    Text Solution

    |

  2. Make the following expressions free from modulus sign: (x in R) |2x-...

    Text Solution

    |

  3. If m ,n in Na n dm^2-n^2=13 ,t h e n(m+1)(n+1) is equal to a. 42 b. 5...

    Text Solution

    |

  4. Make the following expressions free from modulus sign: (x in R) |x+1...

    Text Solution

    |

  5. The chance that the vowels are separated in an arrangement of the l...

    Text Solution

    |

  6. The difference of the squares of two consecutive odd integers is di...

    Text Solution

    |

  7. Evaluate/simplify the following: |2 3-3 4|

    Text Solution

    |

  8. Make the following expressions free from modulus sign: (x in R) |x^2...

    Text Solution

    |

  9. Identify the correct statement If a ,b ,c are odd integers (a) a+b+c c...

    Text Solution

    |

  10. If relation R is defined as R={((x+1)/2,(x-1)/2): w h e r ex in Wa n...

    Text Solution

    |

  11. Make the following expressions free from modulus sign : (x in R) (...

    Text Solution

    |

  12. If m^2-n^2= 7, where m, n epsilon Z, then number of ordered pairs (m,...

    Text Solution

    |

  13. Number of values of k for which the lines k x+y+1=0 x+k y+2=0 x+y...

    Text Solution

    |

  14. Make the following expressions free from modulus sign: (x in R) |x^3...

    Text Solution

    |

  15. Prove that (r+r1)tan((B-C)/2)+(r+r2)tan((C-A)/2)+(r+r3)tan((A-B)/2)=0

    Text Solution

    |

  16. (log)(0. 3)(x-1)<(log)(0. 09)(x-1)t h e nx in the lies in the inte...

    Text Solution

    |

  17. The number 3. 145 when expressed as a rational number in lowest form...

    Text Solution

    |

  18. Make the following expressions free from modulus sign : (i) |x^(2) -...

    Text Solution

    |

  19. In drawing of a card from a well shuffled ordinary deck of playing ...

    Text Solution

    |

  20. Makes the following expressions free from modulus sign: (x in RR) |x^...

    Text Solution

    |