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Asked by  | 27th May, 2009, 10:19: AM

Expert Answer:

P = 5 D, P1 = 1 / 0.15 = 20/3 D, P2 = ?

P2 = P - P1 = 5 - 20 / 3 = - 5 / 3

f = - 3 / 5 = - 0. 6 m = - 60 cm

Answered by  | 27th May, 2009, 04:09: PM

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