Find the following squares by using the identities. from Mathem
    • 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

    Algebraic Expressions and Identities

    Multiple Choice QuestionsShort Answer Type

    111.

    Find the following squares by using the identities.

    (xy + 3z)2

    118 Views
    Answer
    112.

    Find the following squares by using the identities.

    (6x2 - 5y)2

    158 Views
    Answer
    Advertisement
    Zigya App

    113.

    Find the following squares by using the identities.


    space space space space space space space space space space space open parentheses 2 over 3 straight m space plus space 3 over 2 straight n close parentheses squared


    space space space space space space space space space space space space space space open parentheses 2 over 3 straight m space plus space 3 over 2 straight n close parentheses squared

    Using the identity (a - b)2 = a2 -2ab + b2 , we have

     
    space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space open parentheses 2 over 3 straight m space plus space 3 over 2 straight n close parentheses squared space equals open parentheses 2 over 3 straight m close parentheses squared space plus space 2 open parentheses 2 over 3 straight m close parentheses open parentheses 3 over 2 straight n close parentheses plus open parentheses 3 over 2 straight n close parentheses squared


                          space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 4 over 9 straight m squared space plus space 2 mn space plus space 9 over 4 straight n squared
    102 Views
  • Switch Icon Switch
    • Advertisement
    114.

    Find the following squares by using the identities.

    (0.4p - 0.5q)2

    335 Views
    Answer
    Advertisement
    115.

    Find the following squares by using the identities.

    (2xy + 5y)2

    84 Views
    Answer
    116.

    Simplify:

    (a2 - b2)2

    174 Views
    Answer
    117.

    Simplify:

    (2x + 5)2 - (2x - 5)2

    182 Views
    Answer
    118.

    Simplify:

    (7m - 8n)2 - (7m + 8n)2

    302 Views
    Answer
    Advertisement
    119.

    Simplify:

    (4m + 5n)2 + (5m + 4n)2

    353 Views
    Answer
    120.

    Simplify:

    (2.5p - 1.5q)2 - (1.5p - 2.5q)2

    585 Views
    Answer
    Advertisement
    Flag Popup Icon
    Flag it
    Submit
    Flag Popup Icon
    Switch to
    flexipad
    Share It Icon
    Share it
    Share It
    Share it