Factorise 1 - (b-c)²
O (1+b-c)(1-b+c)
O (1+b-c)(1-b-c)
O (1-b-c)(1+b+c)
O (1-b-c)(1-b+c)
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0
Answer:
1-(b-c)^2
1-(b-c)^2= 1- [(b)^2 -2bc + (c)^2]
1-(b-c)^2= 1- [(b)^2 -2bc + (c)^2]=1-b^2+2bc-c^2
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Answered by
2
Answer:
a is the correct option of 1-(b-c)^2
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