Expand each of the following using suitable identities: (-1/2a-1/2b+1)²
It would mean alot if you can help me with this and Homiess please don't spam
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Expand each of the following using suitable identities: (-1/2a-1/2b+1)²
It would mean alot if you can help me with this and Homiess please don't spam
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Answer:
formula (a+b+c)^2 = a^2+b^2+c^2+2ab+2bc+2ca
(-1/2a-1/2b+c)^2=(-1/2)^2+(-1/2)^2+(1)^2+2(-1/2a)(-1/2)b+2(-1/2b)(1)+2(1)(-1/2a)
1/4a^2+1/4b^2+1+1/2ab--b-a
Answer:
= (can't be solved anymore so this is the answer)
pls wait, its wrong, i will correct it