Question

(a-½a)² expand algebraic formulae

Answer 1

(a - 1/2a)^2

put the formula : (a-b)^2=a^2 +b^2- 2a b

so, ( a-1/2a)^2= a^2+1/4a^2 -2(a)(1/2a)

= a^2+1/4a^2(2and a is canceling)

i hope this is right