Home
Class 9
MATHS
What are the possible polynomial express...

What are the possible polynomial expressions for the dimensions of the cuboids whose volumes are given below ?
(i) `3x ^(3) -12x`
(ii)` 12 y ^(2) + 8y -20.`

Text Solution

Verified by Experts

The correct Answer is:
`(i) (2a +3) (2a -1)`
(ii) `(5a-3) (5a -4)`
Promotional Banner

Topper's Solved these Questions

  • POLYNOMIALS AND FACTORISATION

    NCERT TAMIL|Exercise THINK DISCUSS AND WRITE|4 Videos

  • POLYNOMIALS AND FACTORISATION

    NCERT TAMIL|Exercise DO THESE|23 Videos

  • POLYNOMIALS AND FACTORISATION

    NCERT TAMIL|Exercise EXERCISE 2.4|10 Videos

  • MENSURATION

    NCERT TAMIL|Exercise EXERCISE 7.4|10 Videos

  • PROBABILITY

    NCERT TAMIL|Exercise DO THIS|2 Videos

Similar Questions

Explore conceptually related problems

Gi ven possible expressions for the length and breadth of the rectangle whose area is given by (i) 4a ^(2) + 4a -3 (ii) 25 a ^(2) - 35 a + 12

3x+4y le 12

Find the equation of a line whose intercepts on the x and y axes are given below. (i) 4,-6 and (ii) -5, 3/4

Find the volume of a cuboid whose dimensions are length = 12 cm, breadth = 8 cm, height = 6 cm

Draw the graph of each of the equations given below and also find the coordinates of the points where the graph cuts the coordinate axes (i) 6x - 3y = 12 (ii) - x + 4y = 8 (iii) 3x + 2y + 6 = 0

Analyze the roots of the following equations: (i) 2x^(3) - 9x^(2) + 12x - (9//2) = 0 (ii) 2x^(3) - 9x^(2) + 12x - 3 = 0

The equation of the diagonal of the square formed by the pairs of lines xy +4x - 3y - 12 = 0 and xy - 3x +4 y - 12 = 0 is

NCERT TAMIL-POLYNOMIALS AND FACTORISATION -EXERCISE 2.5
  1. Use suitable idntities to find the following products (i) (x +5) (x ...

    Text Solution

    |

  2. Evaluate the following products without actual multiplication. (i) 1...

    Text Solution

    |

  3. Factorise the following using appropriate identities. (i) 16x ^(2) +...

    Text Solution

    |

  4. Expand each of the following, using suitable identities (i) (x + 2y+...

    Text Solution

    |

  5. Factories (i) 25 x ^(2) + 16 y ^(2) + 4z ^(2) - 40 xy + 16 yz - 20zx...

    Text Solution

    |

  6. If a + b +c =9 and ab + bc + ca =26, then find a ^(2) + b ^(2) + c ^(2...

    Text Solution

    |

  7. Evaluate the following using suitable identites. (i) (99) ^(3) " "(...

    Text Solution

    |

  8. Factorise each of the following (i) 8a ^(3) + b^(3) + 12a ^(2)b + 6a...

    Text Solution

    |

  9. Verify (i) x ^(3) + y ^(3) = (x + y) (x ^(2) -xy + y ^(2)) (ii) ...

    Text Solution

    |

  10. Faactorise (i) 27a ^(3) + 64 b ^(3) (ii) 343 y ^(3) -1000 using th...

    Text Solution

    |

  11. Factorise 27 x ^(3) + y ^(3) + z ^(3)-9 xyz using identitiy.

    Text Solution

    |

  12. Verify that x ^(3) + y ^(3) + z ^(3) - 3xyz =1/2 (x + y + z) [(x-y)^(...

    Text Solution

    |

  13. (a) If x + y + z=0, show that x ^(3) + y ^(3) + z ^(3)= 3 xyz. (b) ...

    Text Solution

    |

  14. Without actual calculating the cubes, find the vlaue of each of the fo...

    Text Solution

    |

  15. Gi ven possible expressions for the length and breadth of the rectangl...

    Text Solution

    |

  16. What are the possible polynomial expressions for the dimensions of the...

    Text Solution

    |

  17. If 2 (a ^(2) + b ^(2)) = (a+b)^(2), then show that a =b

    Text Solution

    |