3. Factorise
Y¹² - u¹²
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factorise: x¹² -y¹²Solution :--x¹²- y¹²= (x^6)² - (y^6)²= (x^6 + y^6)(x^6 - y^ 6)=[(x³)²-(y³)²](x^6 + y^6)=(x³+y³)(x³-y³)(x^6 + y^6)=(x-y)(x²+xy+y²)(x³+y³)(x^6 + y^6)important formula :--(1)(x²-y²)=(x+y)(x-y)(2)x³-y³= (x-y)(x²+xy+y²)I hopes its help's u Expert Answer Icon
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nikita
it is example ok bye
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