Question

if the sum of a number and its positive square root is 6/25. Then find the number.

Answer 1

Let that no is x
then,
principal sq rt of x is defined as √|x|^2
so,
x+√(|x|^2) = 6/25 =(-4/25) + (2/5)
x+√(|x|^2) = (-4/25) + √(|-4/25|^2)
hence, x = -4/25