If the focal length of a concave mirror is 50 cm, then where should the object

If the focal length of a concave mirror is 50 cm, then where should the object is placed, so that its image is two times and inverted

Options

(a) 55 cm
(b) (-75 cm)
(c) 65 cm
(d) 85 cm

Correct Answer:

(-75 cm)

Explanation:

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