A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be

• A. <img src="/_files/images/civil-engineering/theory-of-structures/84-21-43-1.png">
• B. <img src="/_files/images/civil-engineering/theory-of-structures/84-21-43-2.png">
• C. <img src="/_files/images/civil-engineering/theory-of-structures/84-21-43-3.png">
• D. <img src="/_files/images/civil-engineering/theory-of-structures/84-21-43-4u.png">