Home
Class 9
MATHS
Find the products: (3/x-2x^2)(9/(x^2)+4x...

Find the products: `(3/x-2x^2)(9/(x^2)+4x^4+6x)`

Text Solution

Verified by Experts

we know that,
`a^3-b^3=(a-b)(a^2+ab+b^2)`
using this formula,
we can write it as,
`(3/x-2x^2)(9/(x^2)+4x^4+6x)`
`=(3/x)^3-(2x^2)^3`
`=27/x^3-8x^6`
Promotional Banner

Topper's Solved these Questions

  • AREA OF PARALLELOGRAMS AND TRIANGLES

    RD SHARMA|Exercise All Questions|205 Videos

Similar Questions

Explore conceptually related problems

Find the product: (3x-9)(3x^(2)-4x+7)

Find the products: (3x+2y)(9x^(2)-6xy+4y^(2))

Find the products: ((2)/(x)+3x)((4)/(x^(2))+9x^(2)-6)

Find the product. (x-2y+3)(x^2+4y^2+2xy+6y-3x+9)

Find each of the products: (-4x^(2))x(-6xy^(2))x(-3yz^(2))

Find the continued product: (2x+3y)(2x-3y)(4x^(2)+9y^(2))

In the product of (2x^(2)+4x+7)(ax^(2)-4x-b), the coeffiecient of x^(4) is 6 and that of x is 4 .Find a and b.

Divide the product of (4x^(2)-9) and (2x^(2)-3x+1) by (4x^(3)-7x+3) .

RD SHARMA-ALGEBRAIC IDENTITIES-All Questions
  1. Find the products: (3+5/x)(9-(15)/x+(25)/(x^2))

    Text Solution

    |

  2. Find the products: (2/x+3x)\ (4/(x^2)+9x^2-6)

    Text Solution

    |

  3. Find the products: (3/x-2x^2)(9/(x^2)+4x^4+6x)

    Text Solution

    |

  4. Find the products: (1-x)\ (1+x+x^2)

    Text Solution

    |

  5. Find the products: (3/x-2x^2)(9/(x^2)+\ 4x^4+6x)

    Text Solution

    |

  6. Find the products: (1-x)\ (1+x+x^2)

    Text Solution

    |

  7. Find the products: (1+x)(1-x+x^2)

    Text Solution

    |

  8. Find the products: (x^2-1)(x^4+x^2+1)

    Text Solution

    |

  9. Find the products: (x^3+1)(x^6-x^3+1)

    Text Solution

    |

  10. If x=3\ a n d\ y=-1, find the values of each of the using identity: (9...

    Text Solution

    |

  11. If x=3\ a n d\ y=-1, find the values of each of the using identity: (3...

    Text Solution

    |

  12. If x=3\ a n d\ y=-1, find the values of each of the using identity: (x...

    Text Solution

    |

  13. If x=3\ a n d\ y=-1, find the values of each of the using identity: (x...

    Text Solution

    |

  14. If x=3\ a n d\ y=-1, find the values of each of the using identity: (5...

    Text Solution

    |

  15. If a+b=10\ \ a n d\ \ \ a b=16 , find the value of a^2-a b+b^2\ a n d\...

    Text Solution

    |

  16. If a+b=8\ \ a n d\ \ a b=6, find the value of a^3+b^3

    Text Solution

    |

  17. If a-b=6\ \ a n d\ \ a b=20 , find the value of a^3-b^3

    Text Solution

    |

  18. If x=-2\ a n d\ y=1, by using an identity find the value: (4y^2-9x^2)(...

    Text Solution

    |

  19. If x=-2\ a n d\ y=1, by using an identity find the value: (2/x - x/2...

    Text Solution

    |

  20. If x=-2\ a n d\ y=1, by using an identity find the value: (5y + 15/y)...

    Text Solution

    |