Question

Expand [ 1/4 a - 1/2 b + 1 ] square

if answer is correct I'll mark you as brainlist ​

Answer 1

Answer:

(x + y + z)2 = x2 + y2 + z2 + 2xy + 2yz + 2zx

[14a-12b+1]2=(14a)2+(-12b)2+(1)

=116a2+14b2+1-14ab-b+12a

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