Expand the following using suitable identities: i) ( 2a -3b – c) ² ii) [ 13 – 25 ] ³

Question

Expand the following using suitable identities: i) ( 2a -3b – c) ² ii) [ 13 – 25 ] ³

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Harper 2 days 2021-09-14T18:19:50+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-09-14T18:21:30+00:00

    Answer:

    • 4a2 + 952 + c2 -12ab + 6bc – 4ac
    • -1728
    0
    2021-09-14T18:21:49+00:00

    Answer:

    (1) 4a2+9b2+c2-12ab+6bc-4ac

    (2) -1728

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18:9+8+9*3-7:3-1*13 = ? ( )