In a trapezium ABCD If \[\mathbf{AB}\parallel \mathbf{CD}\], thee \[\mathbf{A}{{\mathbf{C}}^{2}}+\mathbf{B}{{\mathbf{D}}^{2}}\]is equal to:

\[A{{B}^{2}}+C{{D}^{2}}+2AD.BC\]

\[B{{C}^{2}}+A{{D}^{2}}+2AB.CD\]

\[A{{B}^{2}}+C{{D}^{2}}+2AB.CD\]

\[B{{C}^{\mathbf{2}}}+A{{D}^{2}}+2BC.AD\]

In a trapezium ABCD If \[\mathbf{AB}\parallel \mathbf{CD}\], thee \[\m

1.	In a trapezium ABCD If \[\mathbf{AB}\parallel \mathbf{CD}\], thee \[\mathbf{A}{{\mathbf{C}}^{2}}+\mathbf{B}{{\mathbf{D}}^{2}}\]is equal to:
A.	\[B{{C}^{2}}+A{{D}^{2}}+2AB.CD\]
B.	\[A{{B}^{2}}+C{{D}^{2}}+2AD.BC\]
C.	\[A{{B}^{2}}+C{{D}^{2}}+2AB.CD\]
D.	\[B{{C}^{\mathbf{2}}}+A{{D}^{2}}+2BC.AD\]
Answer» B. \[A{{B}^{2}}+C{{D}^{2}}+2AD.BC\]

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In a trapezium ABCD If \[\mathbf{AB}\parallel \mathbf{CD}\], thee \[\mathbf{A}{{\mathbf{C}}^{2}}+\mathbf{B}{{\mathbf{D}}^{2}}\]is equal to:

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