Answer:
B 32
Step-by-step explanation:
sqrt(71*x)
71 is prime
sqrt(71) sqrt(x)
A. 19 prime
B. 32 = 16*2 16 is a perfect square
C. 34 = 2*17 both of which are prime
D. 41 prime
sqrt(71) sqrt(16 *2) = sqrt(71) * sqrt(16) * sqrt(2) = sqrt(71)*4*sqrt(2)
=4sqrt(142)
