Question

If xy=4 and xy^2=16, what is the value of x?
options are:
a) 1/2
b) 4
c) 1/4
d) 1

Answer 1

${y }^{2} = 16 \\ y = 4 \\ x = 1$
therefore the Ans. is d 1

Answer 2

y^2=16
y=4
=>y=1
hope it helps you