Evaluate the following using suitable identities:(99)3  from M
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    Polynomials

    Multiple Choice QuestionsShort Answer Type

    191. Factorise

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

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    193. Write the following cubes in expanded form:
    (2x + 1)3
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    194. Write the following cubes in expanded form:
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    195. Write the following cubes in expanded form:

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

    open parentheses straight x minus 2 over 3 straight y close parentheses cubed
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    197. Evaluate the following using suitable identities:
    (99)3 

    (99)3
    (99)3 = (100 - 1)3
    = (100)3 - (1)3 - 3(100)(1)(100 - 1)
    | Using Identity VII
    = 1000000 - 1 - 300(100 - 1)
    = 1000000 - 1 - 30000 + 300
    = 970299

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    198. Evaluate the following using suitable identities:
    (102)3
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    199. Evaluate the following using suitable identities:
    (998)3
    672 Views
    Answer
    200. Factorise each of the following:
     8a3 + b3 + 12a2b + 6ab2
    254 Views
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