4 years ago

Simplify (9x-1)^-1/2 - (x+2)(9x-1)^-1/2

Mathematics

1 answer:

iren2701 [21]4 years ago

3 0

Answer:

Step-by-step explanation:

(9x-1)^-1/2 - (x+2)(9x-1)^-1/2

= (9x-1)^-1/2( 1 - (x + 2))

= (9x-1)^-1/2(-1 - x)

= -(x + 1)(9x-1)^-1/2

= -(x + 1) / (9x-1)^1/2

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