The given figure shows the section of a wooden beam stiffened with two steel plates each of thickness 't' securely fixed to the sides. The second moment of area of the flitched beam about the X-X axis is (given: d = overall depth of the beam, b = width of the wooden section and m = modular ratio of the moduli of elasticity of steel and wood)

The given figure shows the section of a wooden beam stiffened with two

1.	The given figure shows the section of a wooden beam stiffened with two steel plates each of thickness 't' securely fixed to the sides. The second moment of area of the flitched beam about the X-X axis is (given: d = overall depth of the beam, b = width of the wooden section and m = modular ratio of the moduli of elasticity of steel and wood)
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» E.

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