Easy. yg ngerasa pakar dan lainya pasti bisa><

By Admin ReiPosted on December 11, 2022

$sqrt{x {}^{ 2} - 9 } leqslant 4$
ps: tolong pke jalan

Easy. yg ngerasa pakar dan lainya pasti bisa><

$sqrt{ {x}^{2} - 9} leqslant 4 \ = ( sqrt{ {x}^{2} - 9 }) {}^{2} leqslant 4 {}^{2} \ = {x}^{2} - 9 leqslant 16 \$
${x}^{2} leqslant 16 + 9$
${x}^{2} leqslant 25 \ = x leqslant 5$