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Write the negation of the following stat...

Write the negation of the following statements
(i) `sqrt(13)` is rational number
(ii) Both the diagonals of a rhombus are equal
(iii) All the sides of a regular polygon are equal

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(i) `sqrt(13)` is not a rational number
(ii) It is false that both the diagonalsm of rhombus are perpendicular.
(iii) All the sides of a regular polygon are not equal.
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