" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a = (x+1)
b = x
Pole powierzchni całkowitej:
[2(x + 2)(x + 1)] + [2(x + 2)x] + [2(x + 1)x]
2x² + 2x + 4x + 4 + 2x² + 4x + 2x² + 2x =
= 6x² + 12 x + 4