Question

ex 1. Dau coroană!!!

Answer 1

Răspuns:

$( - 2x) {}^{2} = 4x {}^{2} \\ ( - 3x {}^{2} ) {}^{3} =-27x {}^{6} \\ (7x {}^{2} y) {}^{2} = 49x {}^{4}y {}^{2} \\ (- ab {}^{2}c {}^{3}) {}^{7} = - a {}^{7}b {}^{14}c {}^{21} \\ ( - xy {}^{2}z {}^{3}) {}^{10} = x { }^{10}y {}^{20}z {}^{30} \\ (- \sqrt{3}xy {}^{2} ) {}^{4} = \sqrt{81}x { }^{4}y { }^{8} = 9x {}^{4}y {}^{8} \\ (- 2ab {}^{3}) {}^{5} = - 32a {}^{5}b {}^{15} \\ (2 \sqrt{2}a {}^{4}b {}^{3}c) {}^{4} = 16 \sqrt{16}a {}^{16}b { }^{12}c { }^{4} = 16 \times 4 \: a {}^{16}b {}^{12}c {}^{4} =84a {}^{16}b {}^{12}c {}^{4}$