Question

срочно!!!!!!!!!!!!!!!!!!!

Answer 1

$frac{1}{49} x {}^{2} - frac{16}{121} y {}^{2} = ( frac{1}{7} ) {}^{2} x {}^{2} - (frac{4}{11} ) {y}^{2} = ( frac{1}{7} x - frac{4}{11} y)( frac{1}{7} x + frac{4}{11} y)$

Answer 2

Представь в виде произведения
^12^24−1 .