Write the negation of the following statement: `sqrt(7)` is rational.

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

Write the negation of the following statement: sqrt(2) is not a complex number.

Write the negation of the following statement: All cats scratch

Write the negation of the following statement: The earth is round.

Write the negation of the following compound statement: All rational numbers are real and all real numbers are complex.

Write the negation of the following statement: All birds sing:

Write the negation of the following statement: Ravish is honest.

Write the negation of the following statement: The sun is cold.

Write the negation of the following statements. (i) Both the diagonals of a rectangle have the same length.(ii) sqrt(2) is rational.

Write the negation of the following statement : 7 is greater than 4 or 6 is less than 7.