Which number has reciprocal as itself?

What is reciprocal chiasma?

The least value of the sum of any positive real number and its reciprocal is-

If veca= hati +hatj, vecb= hatj + hatk, vecc = hatk + hati then in the reciprocal system of vectors veca, vecb, vecc reciprocal veca of vector veca is

Prove that the A.M of the reciprocal of two numbers can not be smaller than the reciprocal of their A.M.

Let's find the decimal number which when multiply by itself gives product as 20.25.

Consider the ten numbers a r ,a r^2, a r^3, ..... ,a r^(10)dot If their sum is 18 and the sum of their reciprocals is 6, then the product of these ten numbers is a. 81 b. 243 c. 343 d. 324

Prove that the sum of the reciprocals of the segments of any focal chord of a parabola is constant .

Mendel found that reciprocal crosses yielded indentical results. From that he concluded