Question

Упростите выражение.

Answer 1

(t^1/2)^2 -t^1/2-6
Пусть t^1/2=x
X^2 -x -6=0

X=3. X= -2

(t^1/2)^2 -t^1/2 -6=

(t^1/2 -3)(t^1/2 +2)


И так:

(t^1/2 -3)( t^1/2 +2)
-------------------------- =
-( t^1/2 -3)

= - (t^1/2 +2)