Home
Class 9
MATHS
Without actual calculating the cubes, fi...

Without actual calculating the cubes, find the vlaue of each of the following
(i) `(-10) ^(3) + (7) ^(3) + (3)^(3)`
(ii) `(28) ^(3) + (-15)^(3) + (-13)^(3)`
(iii)`((1)/(2)) ^(3) + ((1)/(3)) ^(3) -((5)/(6)) ^(3)`
(iv) `(0.2)^(3) - (0.3) ^(3) +(0.1)^(3)`

Text Solution

Verified by Experts

The correct Answer is:
(i) `-630`
(ii) `16380`
|(iii) `(-5)/(12) `
(iv) `-0.018`
Promotional Banner

Topper's Solved these Questions

  • POLYNOMIALS AND FACTORISATION

    NCERT TELUGU|Exercise THINK DISCUSS AND WRITE|4 Videos
  • POLYNOMIALS AND FACTORISATION

    NCERT TELUGU|Exercise DO THESE|22 Videos
  • POLYNOMIALS AND FACTORISATION

    NCERT TELUGU|Exercise EXERCISE 2.4|9 Videos
  • LINES AND ANGLES

    NCERT TELUGU|Exercise THINK, DISCUSS AND WRITE|3 Videos
  • PROBABILITY

    NCERT TELUGU|Exercise EXERCISE 14.1|21 Videos

Similar Questions

Explore conceptually related problems

Without actual calculating the cubes , find the value of each of the following : (0.2)^3-(0.3)^3+(0.1)^3

Without actual calculating the cubes, find the value of the following : (28)^3+ (-15)^3+ (-13)^3 .

Without actual calculating the cubes, find the value of the following : (-10)^3 + (7)^3+ (3)^3 .

Without actual calculating the cubes, find the value of the following. : (0.2)^3+ (-0.3)^3 + (0.1)^3 .

Without actual calculating the cubes, find the value of the following. : (1/2)^3+(1/3)^3-(5/6)^3 .

Find the transpose of each of the following matrices: (i)[(5),((1)/(2)),(-1)] (ii) [(1,-1),(2,3)] (iii) [(-1,5,6),(sqrt(3),5,6),(2,3,-1)]

(1)/(1.3)+(1)/(2)((1)/(3.5))+(1)/(3)((1)/(5.7))+....=

Find the sum of the infinite series 1+(1)/(3)+(1.3)/(3.6)+(1.3.5)/(3.6.9)+…..

NCERT TELUGU-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. Fractorise (i) x ^(2) + 5x + 4 (ii) 9x ^(2) - 25 (iii) 25 a ^(2)...

    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.(ii) (102) ^(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. If x+y+z=0 show that x^(3)+y^(3)+z^(3)=3xyz.

    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

    |