Question

On expansion of (a/4 -b/2 -1)2 , we get


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Answer 1

Step-by-step explanation:

(a/4-b/2-1)^2

Using the identity (a-b-c)^2=a^2+b^2+c^2-2ab-2bc-2ac.

(a/4- b/2-1)= (a/4)^2+(b/2)^2+(-1)^2-2(a/4×b/2)-2(b/2×-1)-2(a/4×-1)

= a^2/16+b^2/4+1-ab/2+b+a/2.

I think u Understand the answer.