Physics, asked by ayush123499, 1 year ago

13 q fast answer please

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Answered by aayushg1713

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R^2 = R.R = (A+B).(A+B) = A^2 + B^2 + 2 A.B = A^2 + B^2 + 2AB cos thetha

Mark my answer as BRAINLIEST please!!!

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