Expand (1-x)^1/2 in ascending powers of x up to and including the term in x^3 . State the range of x for which the expansion is valid. Hence, a) show that (9-2x)^1/2 >> 3-1/3x - 1/54x^2 - 1/486x^3 + K

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

Which of the following graphs could represent a quartic function?