Question

6. Упростите выражение:
x2 −4
a) (x + 1)-₂.²-4
x+2
b)
a2-4
x2-9
a2-2a 2-у
+
ху+3у x-3 да 40 балов

Answer 1

Ответ:

a) (x + 1)-₂.²-4 = ((x + 1)-₂)² - 4 = ((x + 1)⁻²)² - 4 = (1/(x + 1)²)² - 4 = 1/(x + 1)⁴ - 4

b) (a²-4)/(x²-9) + (a²-2a+2-y)/(xu+3y) = (a²-4)/[(x+3)(x-3)] + (a²-2a+2-y)/(xu+3y)

To simplify this expression further, we need more information about the variables a, x, u, and y.