Factorise:49a2 + 70ab + 25b2  from Mathematics Polynomials
    • Zigya Logo

    Previous Year Papers

    Download Solved Question Papers Free for Offline Practice and view Solutions Online.

    Test Series

    Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

    Test Yourself

    Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
    Advertisement

    Polynomials

    Multiple Choice QuestionsShort Answer Type

    211.  If x + y + z = 0, show that x3 + y3 + Z3 = 3xyz.
    348 Views
    Answer
    212. Without actually calculating the cubes, find the value of each of the following:
     (- 12)3 + (7)3 + (5)3
    155 Views
    Answer
    213. Without actually calculating the cubes, find the value of each of the following:
    (28)3 + (- 15)3 + (- 13)3
    219 Views
    Answer
    214. Give possible expressions for the length and breadth of each of the following rectangles, in which their areas are given:

    box enclose bold space bold Area bold space bold colon bold space bold 25 bold a to the power of bold 2 bold minus bold 35 bold a bold plus bold 12 end enclose
    148 Views
    Answer
    Advertisement
    215. Give possible expressions for the length and breadth of each of the following rectangles, in which their areas are given:

    box enclose bold Area bold space bold colon bold space bold 35 bold y to the power of bold 2 bold plus bold 13 bold y bold minus bold 12 end enclose
    307 Views
    Answer
    216.

    What are the possible expressions for the dimensions of the cuboids whose volumes are given below?

    box enclose bold Volume bold space bold colon bold space bold 3 bold x to the power of bold 2 bold minus bold 12 bold x end enclose

    158 Views
    Answer
    217.

    What are the possible expressions for the dimensions of the cuboids whose volumes are given below?

    box enclose bold Volume bold space bold colon bold space bold 12 bold ky to the power of bold 2 bold plus bold 8 bold ky bold minus bold 20 bold k end enclose

    164 Views
    Answer
    218. Evaluate 105 × 106 without direct multiplying.
    124 Views
    Answer
    Advertisement
    Advertisement
    Zigya App

    219. Factorise:

    49a2 + 70ab + 25b2 

    Solution not provided.

    Ans.  (7a + 5b)2

    258 Views
  • Switch Icon Switch
    • Advertisement
    220. Factorise:

    25 over 4 x squared minus y cubed over 9.
    118 Views
    Answer
    Advertisement
    Flag Popup Icon
    Flag it
    Submit
    Flag Popup Icon
    Switch to
    flexipad
    Share It Icon
    Share it
    Share It
    Share it