設(shè)a、b為常數(shù),則反常積分()
A.收斂(對(duì)任何q) B.發(fā)散(對(duì)任何q) C.當(dāng)q<1時(shí)收斂,當(dāng)q≥1時(shí)發(fā)散 D.當(dāng)q<1時(shí)發(fā)散,當(dāng)q≥1時(shí)收斂
反常積分()
A.收斂于π B.收斂于π/2 C.收斂于π/4 D.發(fā)散
設(shè)a>0,p為常數(shù),則反常積分()
A.收斂(對(duì)任何p) B.發(fā)散(對(duì)任何p) C.當(dāng)p≤1時(shí)收斂,當(dāng)p>1時(shí)發(fā)散 D.當(dāng)p≤1時(shí)發(fā)散,當(dāng)p>1時(shí)收斂