Polynomials, Cubic Equations and Partial Fractions - Factorisation by Special Identities
Polynomials, Cubic Equations and Partial Fractions - Factorisation by Special Identities
IP 3
Factorise
- \(343{{m}^{3}}+8{{n}^{3}}\)
- \({{x}^{3}}-27\)
- \(27{{x}^{9}}-125{{y}^{12}}\)
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Answer:(a) \((7m+2n)(49m^2-14mn+4n^2)\) (b) \((x-3)(x^2+3x+9)\) (c) \((3x^3-5y^4)(9x^6+15x^3y^4+25y^8)\)
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