Home
Class 8
MATHS
Find x , if (5/4)^(-x)-:(5/4)^(-4)=(5/4...

Find `x` , if `(5/4)^(-x)-:(5/4)^(-4)=(5/4)^5`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • PLAYING WITH NUMBERS

    RD SHARMA ENGLISH|Exercise All Questions|57 Videos

  • PRACTICAL GEOMETRY (CONSTRUCTIONS)

    RD SHARMA ENGLISH|Exercise All Questions|39 Videos

Similar Questions

Explore conceptually related problems

Evaluate lim_(x to a) ((x + 4)^(5//4) - (a + 4)^(5//4))/(x - a)

Find int((x^4-x)^(1/4))/(x^5)dx

Simplify : (4x - 5y)(5x - 4y)

Consider the system of equations x_1+x_(2)^(2)+x_(3)^(3)+x_(4)^(4)+x_(5)^(5)=5 and x_1+2x_2+3x_3+4x_4+5x_5=15 where x_1,x_2,x_3,x_4,x_5 are positive real numbers. Then numbers of (x_1,x_2,x_3,x_4,x_5) is ___________.

The multiplicative inverse of 4/(-5) is (a) -4/5 (b) 5/4 (c) 5/(-4) (d) (-5)/(-4)

Find the derivative of (x^(3) - 3x^(2) + 4)(4x^(5) + x^(2) -1) :

Find |A| if A = |(4x, 3x), (5x, 6x)|

Expand (x+y)^(4)-(x-y)^(4) . Hence find the value of (3+sqrt(5))^(4) -(3-sqrt(5))^(4) .

Find the values of x, if (i) |{:(2,4),(5,1):}|=|{:(2x,4),(6,x):}| (ii) |{:(2,3),(4,5):}|=|{:(x,3),(2x,5):}|

lim_(x rarr0)(5^(x^(4))-1-x^(4)log_(e)5)/(x^(4))

RD SHARMA ENGLISH-POWERS-All Questions
  1. Find x , if (3/2)^(-3)\ (3/2)^5=(3/2)^(2x+1)

    Text Solution

    |

  2. Find x , if (2/5)^(-3)x\ (2/5)^(15)=(2/5)^(2+3x)

    Text Solution

    |

  3. Find x , if (5/4)^(-x)-:(5/4)^(-4)=(5/4)^5

    Text Solution

    |

  4. Find x , if (8/3)^(2x+1)x(8/3)^5=(8/3)^(x+2)

    Text Solution

    |

  5. If x=(3/2)^2x\ (2/3)^(-4),\ find the value of x^(-2)dot

    Text Solution

    |

  6. If x=(4/5)^(-2)-:(1/4)^2, find the value of x^(-1)dot

    Text Solution

    |

  7. Find the value of x for which 5^(2x)-:5^(-3)=5^5dot

    Text Solution

    |

  8. Write the following numbers in standard form: 0. 4579 (ii) 0. 000007 ...

    Text Solution

    |

  9. Express the following numbers in usual form. (i) 3.02 x 10^-6 (ii)...

    Text Solution

    |

  10. Express the number appearing in the following statements in standard...

    Text Solution

    |

  11. If the diameter of the Sun is 1.4xx10^9 m and that of Earth is 1.275xx...

    Text Solution

    |

  12. The size of a red blood cell is 0. 000007\ m and the size of a plant c...

    Text Solution

    |

  13. Express the following number in standard form: 6020000000000000 (ii) ...

    Text Solution

    |

  14. Write the following numbers in the usual form: (i)\ 4. 83\ x\ 10^7 ...

    Text Solution

    |

  15. Choose the correct alternative in each of the following : Square of...

    Text Solution

    |

  16. Cube of (-1)/2i s (a)1/8 (b) 1/(16) (c) -1/8 (d) (-1)/(16)

    Text Solution

    |

  17. Which of the following is not equal to ((-3)/5)^4? (a)((-3)^4)/(5^4) ...

    Text Solution

    |

  18. Which of the following is not reciprocal of (2/3)^4? (3/2)^4 (b) ...

    Text Solution

    |

  19. Which of the following numbers is not equal to (-8)/(27)?\ (a)(2/3)...

    Text Solution

    |

  20. (2/3)^(-5) is equal to (a)((-2)/3)^5 (b) (3/2)^5 (c) (2^-5)/3 ...

    Text Solution

    |