Question

Q.24 The perpendicular from A on side BC of a AABC intersects BC at D such
that DB = 3CD. Prove that 2(AB)2=2 (AC)2+(BC)?​

Answer 1

Q.24 The perpendicular from A on side BC of a AABC intersects BC at D such

that DB = 3CD. Prove that 2(AB)2=2 (AC)2+(BC)