Question

if f(x)= cot inverse root x(x+3) + cos inverse root x^2+3x+1 is defined on set S is equal to​

Answer 1

Step-by-step explanation:

here is your first solution.

$x {}^{2} + 3x + 1$

and second one is.

$2x + 3x - 1 \ = x(x + 2) - 1(x + 2) = (x + 2)(x - 1)$

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Answer 2

Answer:

hope it helps you

Step-by-step explanation:

OK OK OK