Question

Помогите пожалуйста!!!!! ( b^5)^3*( b^7)^7 делить ( внизу черточка) b^19 * b^38

Answer 1

(b^15*b^49)/b^57=b^64/b^57=b^7

Answer 2

$frac{( { {b}^{5}) }^{3} times ( { {b}^{7} })^{7} }{ {b}^{19} times {b}^{38} } = frac{ {b}^{15} times {b}^{49} }{ {b}^{19} times {b}^{38} } = {b}^{15 + 49 - 19 - 38} = {b}^{7}$