1-(b-c)^2 Factorise it by using algebraic identities....
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Answer:
b² - 2bc + c²
Step-by-step explanation:
(b-c) ²=(b-c) (b-c)
=b(b-c) -c(b-c)
=b²-bc-bc +c²
=b²-2bc+c²
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