Home
Class 8
MATHS
Find the value of x , if 25 x=536^2-136...

Find the value of `x` , if `25 x=536^2-136^2`

Text Solution

Verified by Experts

Given:
`=> 25 x=536^2-136^2`

using identities `(a^2-b^2)=(a-b)` `=> 25x=(536-136) (536+136)`
`=> 25x=(400) (672)`
`=> 25x= 268800`
`=> x= 268800/25`
`=> x= 10752`
...
Promotional Banner

Topper's Solved these Questions

  • COMPOUND INTEREST

    RD SHARMA|Exercise All Questions|129 Videos

Similar Questions

Explore conceptually related problems

Find the value of x , 3/5 = x/-25

Find the value of 2(x+9) for x=2

Find the value of x : 2(2x)^7 = 2^(6^2)

Find the value of x^(2)-2x at x=-1

Find the value of x^2-x(x-5) when x=-2

Find the value of the expression 25 x^(2) + 9y^(2) + 30 xy . When x = 8 and y = 10.

Find the value of a, if x-a is a factor of x^(3)-a^(2)x+x+2

Find the value of x ( x -2 )^3 = ( x-2 )^(x-4 )

RD SHARMA-ALGEBRAIC EXPRESSIONS AND IDENTITIES-All Questions
  1. Find the value of x , if 6x=23^2-17^2

    Text Solution

    |

  2. Find the value of x , if 4x=98^2-88^2

    Text Solution

    |

  3. Find the value of x , if 25 x=536^2-136^2

    Text Solution

    |

  4. What must be added to 9x^2-24 x+10 to make it a whole square?

    Text Solution

    |

  5. Write the following squares of binomials as trinomials: (i) (x+2)^2 ...

    Text Solution

    |

  6. Write the following squares of binomials as trinomials: (i)(x+(x^2)...

    Text Solution

    |

  7. Write the following squares of binomials as trinomials: (i) ((3a)/2-...

    Text Solution

    |

  8. Find the product of the following binomials; (i)(2x+y)(2x+y) (ii) (...

    Text Solution

    |

  9. Find the product of the following binomials; (i)(a^2+b c)(a^2-b c) ...

    Text Solution

    |

  10. Find the product of the following binomials; (2x+3/y)(2x-3/y) (ii)...

    Text Solution

    |

  11. Find the product of the following binomials; (i)(x^4+2/(x^2))(x^4-2/...

    Text Solution

    |

  12. Using the formula for squaring a binomial , evaluate the following: ...

    Text Solution

    |

  13. Using the formula for squaring a binomial , evaluate the following: ...

    Text Solution

    |

  14. Simplify the following using the formula: (a-b)(a+b)=a^2-b^2: (i)(82...

    Text Solution

    |

  15. Simplify the following using the formula: (a-b)(a+b)=a^2-b^2: (i)(79...

    Text Solution

    |

  16. Simplify the following using the formula: (a-b)(a+b)=a^2-b^2: (i)113...

    Text Solution

    |

  17. Simplify the following using the formula: (a-b)(a+b)=a^2-b^2: (i)1. ...

    Text Solution

    |

  18. Simplify the following using the identities: (i) (58^2-42^2)/(16) ...

    Text Solution

    |

  19. Simplify the following using the identities: (i)(198 xx 198-102 xx 1...

    Text Solution

    |

  20. Find the value of x, if: (i)4x=(52)^2-(48)^2 (ii) 14 x=(47)^2-(33...

    Text Solution

    |