" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a² + 2ab + b² = (a + b)²
a² = 16x²
a = 4x
b² = 4
b = 2
2ab = 2 × 4x × 2
2ab = 16x, zatem:
16x² + 16x + 4 = (4x + 2)²
a²=16x²
a=4x
b²=4
b=2
16x²+16x+4 =(4x)²+2*4x*2+2² = (4x+2)² odp. A