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                                    A straight line L1:x−2y+10=0 meets the circle with equation x2+y2=100 at B in the first quadrant. If another line L2 through B is perpendicular to L1 and cuts y−axis at P(0,t), then the value of t is | 
                            
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Answer» A straight line L1:x−2y+10=0 meets the circle with equation x2+y2=100 at B in the first quadrant. If another line L2 through B is perpendicular to L1 and cuts y−axis at P(0,t), then the value of t is  | 
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