Question

u=5 v=10 f=? tell the answer fast​

Answer 1

Answer:

fghjhhgghuuggggyuuhgfftg

Answer 2

Answer:

1/f= 1/v+1/u

f=?

v=10

u=5

1/f= 1/10+1/5

1/f= 1+2/10

1/f= 3/10

f= 10/3 or 3.33..