3xy - 243xy^3
Factorise the polynomial using identities
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Answer:
Polynominal Identity
Step-by-step explanation:
3x^3y-243xy^3=
3x^3y-3^5 xy^3= 3 xy ( x^2 - 3^4 y^2)
= 3xy(x+3^2y)(x - 3^2y)
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