Using the words necessary and sufficient rewrite the statement The integer n is odd if and only if `n^2`is odd. Also check whether the statement is true.

Using the words necessary and sufficient rewrite the statement. The integer n is odd if and only if n^2 is odd Also choice whether the statement is true.

Using the word " necessary and sufficient" rewrite the statement " sqrtn is a rational number if and only if is a pefect square "

Using the word " necessary and sufficent" rewrite the statement "j sqrtn is a rational number if and only if is a pefect square

Using the words " necessary and sufficient " rewrite the following two biconditional statements : The integer N is even if and only if N^(2) is even .

(i) Check the validity of given statement r : A triangle is isosceles if and only if its two angles are equal (ii) Using the word " necessary and sufficient " rewrite the statement : A sequence is in G. P if and only if each term differs from the succeeding one by a non-zero constant ratio

Write the contrapositive of the statement: “If the integer n is odd, then n^2 is odd."

Write the converse of the following statement : If a number n is odd, then n^2 is odd.

If n is odd then n^2 is odd ' compound statement is false .

‘If a and b are two odd integer, then (a + b) is an even intege.”—examine whether this compound statement is true of false

Check whether the following statement are true or not: p: If x and y are odd integers, then x+y is an even integer.