Home
Class 9
MATHS
Assuming that x ,\ y ,\ z are positive r...

Assuming that `x ,\ y ,\ z` are positive real numbers, simplify each of the following: `(i)\ (sqrt(x^(-3)))^5` (ii) `sqrt(x^-2y^(3))` (iii) `(x^(-2/3)\ y^(-1/2\ ))^2`

Promotional Banner

Topper's Solved these Questions

  • COORDINATE GEOMETRY

    RD SHARMA ENGLISH|Exercise All Questions|23 Videos
  • FACTORIZATION OF ALGEBRAIC EXPRESSIONS

    RD SHARMA ENGLISH|Exercise All Questions|226 Videos

Similar Questions

Explore conceptually related problems

Assuming that x , y , z are positive real numbers, simplify each of the following: (i) (x^(-2/3)\ \ y^(-1/2))^2

Assuming that x , y , z are positive real numbers, simplify each of the following: (i) (sqrt(x))^(-2/3)\ \ sqrt(y^4)\ -:\ sqrt(x y^(-1/2))

Assuming that x , y are positive real numbers, simplify each of the following: (i) sqrt(x^(-2)y^3) (ii) (x^(-2)doty^(-1/2))^2 (iii) (sqrt(x^(-3)))^5

Assuming that x ,\ y ,\ z are positive real numbers, simplify each of the following: (i)\ ((x^(-4))/(y^(-10)))^(5/4) (ii)\ ((sqrt(2))/(sqrt(3)))^5\ (6/7)^2

Assuming that x , y , z are positive real numbers, simplify each of the following: (i)\root(3)(x y^2) \ -:\x^2y (ii)\ root(4)root(3)(x^2)

Assuming that x ,\ y ,\ z are positive real numbers, simplify each of the following: (sqrt(x))^(-2/3)\ sqrt(y^4)-:\ sqrt(x y^(-1/2)) (ii) root(5)(243\ x^(10)y^5z^(10))

Expand each of the following (i) (sqrt(2)x-3y)^2 (ii) (2x-1/(3x))^2

Simplify each of the following: (i) 7x^3y+9y x^3 (ii) 12 a^2b+3b a^2

Simplify the following (2x - 3y) (2x+3y)

Simplify each of the following: 2x-{5y-(x-2y)} 2x-[3y-{2x-(y-x)}]

RD SHARMA ENGLISH-EXPONENTS OF REAL NUMBER-All Questions
  1. If a^x=b ,\ b^y=c\ a n d\ c^z=a , prove that x y z=1

    Text Solution

    |

  2. If a^x=b^y=c^z\ a n d\ b^2=a c , prove that y=(2x z)/(x+z)

    Text Solution

    |

  3. Assuming that x ,\ y ,\ z are positive real numbers, simplify each of ...

    Text Solution

    |

  4. Assuming that x ,\ y ,\ z are positive real numbers, simplify each of ...

    Text Solution

    |

  5. Assuming that x ,\ y ,\ z are positive real numbers, simplify each of ...

    Text Solution

    |

  6. Simplify: (i)(32)^(-3/5) (ii) (343)^(-2/3)

    Text Solution

    |

  7. Simplify: (i)\ ((25)^(3/2)\ xx\ (243)^(3/5))/((16)^(5/4)\ xx\ (8)...

    Text Solution

    |

  8. Simplify: (i)\ ((sqrt(2))/5)^8\ -:((sqrt(2))/5)^(13)

    Text Solution

    |

  9. Prove that: (sqrt(3\ xx\ 5^(-3))\ -:root(3)(3^(-1))\ sqrt(5))\ xx\ ...

    Text Solution

    |

  10. Prove that: 9^(3/2\ )-\ 3\ xx\ 5^0-\ (1/(81))^(-1/2)=15

    Text Solution

    |

  11. Prove that: (1/4)^(-2)-3\ xx\ 8^(2/3)\xx\ 4^0+\ (9/(16))^(-1/2)=(16)/3

    Text Solution

    |

  12. Prove that: (2^(1/2)\ xx\ 3^(1/3)\ xx\ 4^(1/4))/(10^(-1/5)\ xx\ 5^(3/5...

    Text Solution

    |

  13. Prove that: (i)\ sqrt(1/4)+\ (0. 01)^(-1/2)-\ (27)^(2/3)=3/2 (ii)\...

    Text Solution

    |

  14. Prove that: ((64)/(125))^(-2/3)+1/(((256)/(625))^(1/4))+\ ((sqrt(25))/...

    Text Solution

    |

  15. Prove that: (3^(-3)\ xx\ 6^2xx\ sqrt(98))/(5^2\ xx\ root(3)(1/(25))\ x...

    Text Solution

    |

  16. Prove that: ((0. 6)^0-\ (0. 1)^(-1))/((3/8)^(-1)\ (3/2)^3+\ (-1/3)^(-1...

    Text Solution

    |

  17. Solve: 1/(1+x^(a-b))+1/(1+x^(b-a))=?

    Text Solution

    |

  18. Show that : (x^(a(b-c)))/(x^(b(a-c)))÷((x^b)/(x^a))^c=1 ((x^(a+b))^2...

    Text Solution

    |

  19. Solve the following equation - (i) 2^(x+1)=8

    Text Solution

    |

  20. Show that: (i)\ (x^(a-b))^(a+b)\ (x^(b-c))^(b+c)\ (x^(c-a))^(c+a)=1 ...

    Text Solution

    |