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In the following figure find \( x \). |
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Answer» Angle OAP =90 degree,A being point of contact Of the tangent AP Hence by Pythagoras theorem OP2=AP2+OA2 =>(x+1)2=(x-1)2 +x2 =>4x =x2 =>x=4 Hence x-1=3 and x+1=5 |
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