Circles with centres P,Q& S are touching each other externally as shown in the figure at
Channel: Doubtnut
Date: 2020-04-19

Circles with centres P,Q& S are touching each other externally as shown in the figure at points A, B & C. If radii of circles with cenres P, Q & S are 1,2 and 3 respectivelu then the length of chord AB is `"_______"`   img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/RES_MATH_DPP_B17_E01_015_Q01.png" width="80%"