short calculation of reciprocal number series

What is reciprocal of reciprocal of a number?

The sum of a number and its reciprocal is thrice the difference of the number and its reciprocal. The number is :

Reciprocal of which number is zero

The sum of reciprocals of two numbers is 23/132 then find the numbers.

Fill in the blanks : The product of two positive rational number is always .. The product of a positive rational number and a negative rational number is always . The product of two negative rational numbers is always The reciprocal of a positive rational number is . The reciprocal of a negative rational number is . Zero has .. reciprocal . The product of rational number and its reciprocal is The numbers and .. are their own reciprocal is .. If a is reciprocal of b, then the reciprocal of b is The number 0 is . the reciprocal of any number. Reciprocal of 1/a , a !=0 i s ddot (17 x 12)^(-1)=17^(-1)x

What is the significance of reciprocal of "gold number"?

The product of two numbers is 14 and their sum is 5 . What is the sum of the reciprocals of these numbers?