Question

Show that for all x, y we have

Answer 1

\[y ^{3}+1\neq16 \times x ^{2}\]

Answer 2

my answer was proof by contradiction, assuming the equation is eequal and subbing in y = 1, x = 1, and proving that the RHS is even while the LHS is always odd, therefore not equal.

Answer 3

just want to check if this is correct.

Answer 4

it's not theoretically possible

Answer 5

really? question I got on a proofs module, revision for a test I have

Answer 6

while considering each case as u have done,assume,each variable to be a constant.try it!