Can u plzzz solve this...

Can u plzzz solve this... -•oncave mirror forms a real image of an Obie _ placed in front of it at a distance 30 cm, of size thre_ times the size of object. Find (a) the focal length of mirror (b) position of image. . (a) 22,5 cm, (b) 90 cm in front of mirTor A concave mirror forms a virtual image of sizc twice that of the object placed at a distance 5 cm from it. Find : (a) the focal length of the mirrro O)) position of image. (a) 10 cm, (b) 10 cm behind the mirror

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