3 root 5 root 7 is an irrational number July 8, 2019 16 32 64 128 Prove that 3 root 5 root 7 is an irrational number Prove that 3 root 5 root 7 is an irrational number class 7 Prove that 7 3 root 5 is an irrational number given that root 5 is an irrational number 7 root 5 is irrational √ 5 5 x 7 = 35