Factorise from Mathematics Polynomials
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    Polynomials

    Multiple Choice QuestionsShort Answer Type

    191. Factorise

    4x2 + 9y2 + 16z2 + 12xy - 24yz - 16xz
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    Answer
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    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

    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 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 equals space open parentheses negative square root of 2 straight x close parentheses squared plus straight y squared plus open parentheses 2 square root of 2 straight z close parentheses squared plus 2 open parentheses negative square root of 2 straight x close parentheses straight y plus 2 straight y open parentheses 2 square root of 2 straight z close parentheses plus 2 open parentheses 2 square root of 2 straight z close parentheses left parenthesis negative square root of 2 straight z end root right parenthesis equals space left parenthesis negative square root of 2 straight x plus straight y plus 2 square root of 2 straight z end root right parenthesis squared equals space left parenthesis negative square root of 2 straight x end root plus straight y plus 2 square root of 2 straight z end root right parenthesis space left parenthesis negative square root of 2 straight x end root plus straight y plus 2 square root of 2 straight x right parenthesis.
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    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
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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
    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
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    197. Evaluate the following using suitable identities:
    (99)3 
    207 Views
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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
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