Question

factorise 1/16x^2 + y^2/4 +1 -xy/4 - y +x/2​

Answer 1

Step-by-step explanation:

use formula -(a-b-c)²=a²+b²+c²-(2ab+2ac+2bc)

so , x²/16+y²4+1-xy/4-y+x/2

(x/4-y/2-1)²