Question

plz ans it guys now only it's urgent.​ u can ans one question among this also.

Answer 1

Answer:

a)(2x+3y-4z)²

b)(-root2x+y+2root2)²

Step-by-step explanation:

Hope it's right and will help you

Answer 2

Answer:

Step-by-step explanation:

1/ 4x2+9y2+16z2+12xy-24yz-16zx

=(2x) ^2+(3y)^2+(-4z)^2+2*2x*3y+2*3y*-4z+2*-4z*2x

=(2x+3y-4z) ^2

=(2x+3y-4z) (2x+3y-4z)

2/ (-√2)^ 2+(y) ^2+(2√2)^2+2*-√2*y+2*y*2√2+2*2√2*-√2

=(-√2+y+2√2) ^2

=(-√2+y+2√2) (-√2+y+2√2)