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If  = f(x)  + C, where C is a constant of integration, then f(x) is equal to : -

a.

(x + 4)

b.

(x + 1)

c.

(x + 2)

d.

(x − 4 )



Question ID - 57145 | SaraNextGen Top Answer

If  = f(x)  + C, where C is a constant of integration, then f(x) is equal to : -

a.

(x + 4)

b.

(x + 1)

c.

(x + 2)

d.

(x − 4 )

1 Answer
127 votes
Answer Key / Explanation : (a) -

 = t ⇒ 2x − 1 = t2 ⇒ 2 dx =2t.dt

 =  =  dt

=   =  (

= + c =+c

⇒ f(x) =

127 votes


127