Bag contains 6 white, 9 black balls. 4 balls are drawn at a time. find the probability for first draw to give 4 white & second draw to give 4 black balls in each of following cases:
(a) the balls are replaced before the second draw.
(b) the balls are not replaced before the second draw.
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A square is a quadrilateral with all four angles right bhjsh and all four sides of the same length. So aagvghhh is a e all the sides have the same length. Thus every square is a rectangle because it is a quadrilateral with all four angles right jbh chemical compound jhxhusacid with a base, with all or part ohf thhbhe hydrogen of the acid replaced by a metal or other cation.
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