Evaluate the following using suitable identities:(998)3 from Ma
    • 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

    191. Factorise

    4x2 + 9y2 + 16z2 + 12xy - 24yz - 16xz
    152 Views
    Answer
    192. Factorise

    2 straight x squared plus straight y squared plus 8 straight z squared minus 2 square root of 2 xy plus 4 square root of 2 yz minus 8 zx
    134 Views
    Answer
    193. Write the following cubes in expanded form:
    (2x + 1)3
    254 Views
    Answer
    194. Write the following cubes in expanded form:
    (2a - 3b)3
    741 Views
    Answer
    Advertisement
    195. Write the following cubes in expanded form:

    open square brackets 3 over 2 straight x plus 1 close square brackets cubed
    190 Views
    Answer
    196. Write the following cubes in expanded form:

    open parentheses straight x minus 2 over 3 straight y close parentheses cubed
    124 Views
    Answer
    197. Evaluate the following using suitable identities:
    (99)3 
    207 Views
    Answer
    198. Evaluate the following using suitable identities:
    (102)3
    597 Views
    Answer
    Advertisement
    Advertisement
    Zigya App

    199. Evaluate the following using suitable identities:
    (998)3

    (998)3
    (998)3 = (1000 - 2)3
    = (1000)3 - (2)2 - 3( 1000)(2)( 1000 - 2)
    | Using Identity VII
    = 1000000000 - 8 - 6000(1000 - 2)
    = 1000000000 - 8 - 6000000 + 12000
    = 994011992.

    672 Views
  • Switch Icon Switch
    • Advertisement
    200. Factorise each of the following:
     8a3 + b3 + 12a2b + 6ab2
    254 Views
    Answer
    Advertisement
    Flag Popup Icon
    Flag it
    Submit
    Flag Popup Icon
    Switch to
    flexipad
    Share It Icon
    Share it
    Share It
    Share it