Proszę o rozwiązanie równań:
(3x-4y)^2 - (1+2x)^2 =
(6+2x)(6-2x) + (4x-2)^2 =
4(x+5)^2 - (3-2x)^2 =
= 9x^2-16y^2-1+4x^2=13x^2-16y^2-1
=36-4x^2+16x^2-4=32+12x^2
=4(x^2+25)-9-4x^2=4x^2+100-9-4x^2=91
Ps. Najlepsze rozwiazanie.
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= 9x^2-16y^2-1+4x^2=13x^2-16y^2-1
=36-4x^2+16x^2-4=32+12x^2
=4(x^2+25)-9-4x^2=4x^2+100-9-4x^2=91
Ps. Najlepsze rozwiazanie.