Function x=Asin2ωt+Bcos2ωt+Csinωtcosωt represents SHM
a. For any value of A, B and C(except C=0)
b. If A=−B;C=2B, amplitude =∣∣B√2∣∣
c. If A=B;C=0
d. If A=B;C=2B, amplitude =|B|