Let R be a relation defined by R={(x,x^(^^)3)X is a prime number <10} then which of the following is true.R{(1,1),(2,8),(3,27),(4,64),(5,125),(6,216),(7,343)(8,512),(9,729)}R={(2,8),(3,27),(5,125)(7,343)}R={(2,8),(4,64),(6,216),(8,512)} None of these