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Write the following cubes in expanded f...

Write the following cubes in expanded form:(i) `(2x+1)^3` (ii) `(2a-3b)^3` (iii) `[3/2x+1]^3` (iv) `[x-2/3y]^3`

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To expand the given cubes, we will use the identities for the cube of a binomial. The identities are: 1. For \( (a + b)^3 \): \[ (a + b)^3 = a^3 + b^3 + 3a^2b + 3ab^2 \] 2. For \( (a - b)^3 \): ...
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