Question

13. PA and PB are two tangents from P to the circle with centre 0. At point M a tangent is drawn
cutting PA at K and PB at N. Prove that KN = AK + BN.
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Answer 1

Step-by-step explanation:

this will be the diagram

now Kn =KM+MN

amd KM=AK,MN=NB

SO ADD THEM