Answer:
Discussion forums would be the best online resource if Raj wanted to brainstorm solutions with other students concerning his academic challenges.
Step-by-step explanation:
Discussion forum is an online platform or website where people from different places can gather together and have a talk about any particular topic. So if Raj wants to brainstorm solutions regarding his academics with other students, then he can mostly certainly look out for discussion forums for academics.
The benefits of engaging in such forums are plenty: students can teach each other, they can learn new skills and ideas, can clarify doubts, ask questions, get answers and so on.