Which real value ok makes the expression undefined k-5/k(5k + 1)

d

d

k

[

f

(

k

)

g

(

k

)

]

=

f

(

k

)

d

d

k

[

g

(

k

)

]

+

g

(

k

)

d

d

k

[

f

(

k

)

]

5

k

2

+

1

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!