Question

what is
y⁻⁴ * y¹²
a.k.a what is y⁻⁴ times y¹²

Answer 1

Answer:

factorise: x¹² -y¹²

Solution :--

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

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