Question

Expanded form of(x+2y+4z)2=

Answer 1

Answer:

Step-by-step explanation:

(x+2y+4z)2

=2x+4y+8z

Answer 2

Answer:

$( x + 2y + 4z)^{2}$

$= {x}^{2} + (2y)^{2} + {(4z)}^{2} + 2 \times x \times 2y + 2 \times 2y \times 4z + 2 \times x \times 4z$

$= {x}^{2} + {4y}^{2} + {16z}^{2} + 4xy + 16yz + 8xz$