这道高数题积分怎么算呢?

2025-04-29 18:29:31
推荐回答(1个)
回答1:

原式=∫∫θpdpdθ
=∫(0,π/4)θdθ∫(1,2)pdp
=1/2 θ²|(0,π/4)×1/2p²|(1,2)
=1/2 ×π²/16 ×3/2
=3π²/64