Question

i) radical din 48 la puterea a doua - 2x48x13 +13 la puterea a doua repede dau coroana

Answer 1

$\sqrt{48}^{2} - 2 \times 48 \times 13 + {13}^{2}$

$48 - 1248 + 169$

$- 1200 + 169$

$- 1031$