Prove that the difference of a number and its reciprocal will be always positive.

Prove that the sum of a positive number and its reciprocal is always greater than or equal to 2.

Can the sum of a number and its reciprocal be 2//3 ? Why ?

Form the equation:The sum of a number and its reciprocal is 5//2

The sum of a number and its reciprocal is 1( 1//2) .Find the number.

The sum of a number and its reciprocal is 13//6 . What is the number?

The sum of a number and its reciprocal is '5/2'. Find the number.

The sum of a number and its reciprocal is. 2 1/(12 . What is the number?

Write each of the operations below as algebraic expressions, find out which are polynomials and explain why. i) Sum of a number and its reciprocal. ii) Sum of a number and its square root. iii) Product of the sum and difference of a number and its square root.

The sum of a number and its reciprocal is equal to '(25)/(12) .' What is the number?

a) What is the difference between atomic number and mass number. b) If the mass number of an element is 52 , and atomic number.is 24 , then how many neutrons will be there in the nucleus of its atom?