The area of the cross-section of a road fully in banking shown in the given figure, is
(A) [sb² + r² (2bd + sd)²]/(r² - s²)
(B) [sb² + r² (2bd + sd)²]/(r² - s5
)
(C) [sb² + r² (2bd + sd)²]/(r - s)
(D) None of these
(A) [sb² + r² (2bd + sd)²]/(r² - s²)
(B) [sb² + r² (2bd + sd)²]/(r² - s5
)
(C) [sb² + r² (2bd + sd)²]/(r - s)
(D) None of these