Home
Class 12
MATHS
If x = (729 + 6(2)(243) + 15(4)(81) + 20...

If `x = (729 + 6(2)(243) + 15(4)(81) + 20(8)(27) + 15(16)(9) + 6(32)3 + 64)/(1 + 4(4) + 6(16) + 4(64) + 256)` then `sqrt(x)-1/sqrt(x) = `

A

0.2

B

4.8

C

1.02

D

5.2

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BINOMIAL THEOREM

    NEW JOYTHI PUBLICATION|Exercise EXERCISE|25 Videos

  • APPLICATION OF INTEGRALS

    NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION (LAB Work )|1 Videos

  • COMPLEX NUMBERS AND QUADRATIC EQUATIONS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|194 Videos

Similar Questions

Explore conceptually related problems

Solve : sqrt (x^(2) - 16) - sqrt (x^(2) - 8x + 16) = sqrt (x^(2) - 5x + 4 )

(8)/(sqrt(1 - (4 x)^(2))) + (27)/(sqrt(1 - 9 x^(2))) - (15)/(1+ 25 x^(2))

(6)/(1 + (3 x + 2)^(2))-(12)/(sqrt(1-(3-4x)^(2)))

Write the following polynomials is standard form. (i) x-9+sqrt 7x^(3) +6x^(2) (ii) sqrt 2x^(2) -(7)/(2) x^(4) +x -5x ^(3) (iii) 7x^(3) - ( 6)/(5) x^(3) +4x -1 (iv) y^(2) +sqrt5y ^(3) -11 -(7)/(3) y+9y^(4)

lim_(xto0) ((729)^(x)-(243)^(x)-(81)^(x)+9^(x)+3^(x)-1)/(x^(3))

4(sin2 4^0+cos6^0)=sqrt(3)+sqrt(15)

cos 6x = 32 cos ^(6) x - 48 cos ^(4) x + 18 cos ^(2) x-1

The value of (18^(3) + 7^(3) + 3.18.7.25)/(3^(6) + 6(243)2 + 15(81)4 + 20.27.8 + 15(9).16 + 6(3)(32) + 64) is

Símplify log (81)/(16) +log (64)/(27) +log (4)/(48)

Solve sqrt(5x^2-6x+8)-sqrt(5x^2-6x-7)=1.

NEW JOYTHI PUBLICATION-BINOMIAL THEOREM-QUESTIONS FROM COMPETITIVE EXAMS
  1. If the coefficients of the r^(th) term and the (r + 1)^(th) term in th...

    Text Solution

    |

  2. If (1 + ax)^(n) = 1 + 6x + 27/2 x^(2) + ...... + a^(n)x^(n), then the ...

    Text Solution

    |

  3. If x = (729 + 6(2)(243) + 15(4)(81) + 20(8)(27) + 15(16)(9) + 6(32)3 +...

    Text Solution

    |

  4. The number of terms in the expansion of (a + b + c)^(10) is

    Text Solution

    |

  5. If |x| lt 1, then the coefficient of x^(n) in (1 + 2x + 3x^(2) + 4x^(3...

    Text Solution

    |

  6. The sum of the rational terms in the expansion of (sqrt(2) + 3^(1/5))^...

    Text Solution

    |

  7. if (1 + C(1)/C(0))(1 + C(2)/C(1)) (1 + C(3)/C(2)) ...... (1 + C(n)/C(n...

    Text Solution

    |

  8. In the expansion of (1 + 3x + 2x^(2))^(6) the coefficient of x^(n) is

    Text Solution

    |

  9. If (2x^(2) - x - 1)^(5) = a(0) + a(1)x + a(2)x^(2) + ....... + a(10)x^...

    Text Solution

    |

  10. If (1 + x - 3x^(2))^(10) = a(0) + a(1)x + a(2)x^(2) + ....... + a(20)x...

    Text Solution

    |

  11. (i) What is the second term in the expansion of (1 + x)^(n)? (ii) Wr...

    Text Solution

    |

  12. The coefficient of a^(5)b^(6)c^(7) in the expansion of (bc + ca + ab)^...

    Text Solution

    |

  13. If the expansion of (3sqrt(x)/7 - 5/(2xsqrt(x)))^(13n) contains a term...

    Text Solution

    |

  14. Prove that ""^(10)C(2)+2xx^(10)C(3)+^(10)C(4)=^(12)C(4)

    Text Solution

    |

  15. Let f (x) = [x] , where [x] denotes the greater integer less t...

    Text Solution

    |

  16. If ninN,"then "3^(2n+2)-8n-9 is divisible by

    Text Solution

    |

  17. Let T(n) denote the number of triangles which can be formed by using t...

    Text Solution

    |

  18. The coefficient of the middle term in the expansion of (x + 2y)^(6) is

    Text Solution

    |

  19. Let (1 + x)^(n) = 1 + a(1)x + a(2)x^(2) + ... + a(n)x^(n). If a(1),a(2...

    Text Solution

    |

  20. If the sum of the coefficients in the expansion of (a^(2)x^(2) - 6ax +...

    Text Solution

    |