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Expand : (i) (2x + 5y)^(2) (ii) ((2)/(...

Expand : (i) `(2x + 5y)^(2)` (ii) `((2)/(3) a + (3)/(4) b)^(2)`

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Verified by Experts

The correct Answer is:
`= (4)/(9) a^(2) + (9)/(16) b^(2) + ab`
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