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Expand each of the following, using suit...

Expand each of the following, using suitable identities
(i) `(x + 2y+ 4z) ^(2)`
(ii) `(2a - 3b) ^(3)`
(iii) `(-2a + 5b - 3c) ^(2)`
(iv) `((a)/(4) - (b)/(2) + 1) ^(2)`
(v) `( p +1) ^(3)`
(vi) ` (x - (2)/(3) y) ^(3)`

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