Question

if xy=2√3 then the value of x^4+y^4 is​

Answer 1

x^4+y^4

=

${(xy)}^{4}$

$= xy = 2 \sqrt{3}$

$16 \times \sqrt{3 \times 3 \times 3 \times 3}$

$16 \times { \sqrt{3} }^{2} \times \sqrt{3 ^{2} }$

$16 \times 3 \times 3$

$16 \times 9 = 144$