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If P (-1 , 1) is the midpoint of the line segment joining A (-3 , b) and B (1, b + 4) , then b is equal to: a) 1b) -1c) 2d) 0 |
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Answer» bmid POINT FORMULA is a+b/2-3+1/2,2b+4/2 = -1,12b= 2-42b=-2b= -1 |
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