Question

if x y z is equal to 1 show that 1 upon 1 + X + Y to the power minus 1 + 1 upon 1 + Y + Z to the power minus 1 + 1 upon 1 + Z plus x to the power minus 1 is equal to 1

Answer 1

d= volume of the oil drop/ area of the film

 

= 4/3 *pi* (0.025cm)^3/(pi* (10 cm)^2

 

= 2.08X10^-7 cm

Answer 2

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