If f is the maximum allowable bending stress in a tension member whose radius of gyration is r and depth is 2y, the required cross sectional area A is given by

• A. <img src="/_files/images/civil-engineering/steel-structure-design/102-14-115-1.png">
• B. <img src="/_files/images/civil-engineering/steel-structure-design/102-14-115-2.png">
• C. <img src="/_files/images/civil-engineering/steel-structure-design/102-14-115-3.png">
• D. <img src="/_files/images/civil-engineering/steel-structure-design/102-14-115-4.png">
• E. <img src="/_files/images/civil-engineering/steel-structure-design/102-14-115-5.png">