Question

if 1/1+1/x=4/5 x equal to​

Answer 1

Step-by-step explanation:

Substitute 1+x

4/5

=t so that

5

4

x

−1/5

dx=dt

i.e.,

x

1/5

1

dx=

4

5

dt

∴I=∫

t

1/2

4

5

dt

=

4

5

∫t

−1/2

dt

=

4

5

2

1

t

=

2

5

1+x

4/5

+c