Question

Assuming that each of the lenses +0.50/-0.25 x 180, -1.75/-1.50 x 90, 4.25/+1.75 x 180 and -2.00/+4.00 x 90 is infinitely thin find the power of the fifth thin lens which must be added to their combination in order to neutralise them. Express the power of this lens in each of its sphero cylinder forms​

Answer 1

Answer:

95

Explanation:

the equation clearly defined by it