Mathematically acceptable statements | Connecting words and phrases | Difference among contradiction, converse and contrapositive

For the statement: "If a quadilateral is a rectangle , then it has two paisrs of parallel sides", write the converse, inverse and contrapositive statements.

Consider the statement : p : If x a real number such that x^3 +4x =0 then x=0 prove that p is a true statement using : (i) direct method d (ii) method of contradiction (iii) method of contrapositive

For each of the following compound statements, identify the connecting words and then write the component statements : Anush is rich or happy.

For each of the following compound statements, identify the connecting words and then write the component statements : 13 is not a prime number or 15 is not a composite number.

Show that the statement: p:Ifx is a real number such that x^(3)J=4x=0, the x is 0 is true by Direct method ii.method of contradiction ii.method of contrapositive

Which among the following statements is correct to indicate the difference between sperm and egg

For each of the following compound statements, identify the connecting words and then write the component statements : The sun is cold and the moon revolves around the sun.

For each of the following compound statements, identify the connecting words and then write the component statements : The school works or a holiday is declared.