Solved

Multiply
- (x2+5y2−xy)(x2+3xy+y2)\left(x^{2}+5 y^{2}-x y\right)\left(x^{2}+3 x y+y^{2}\right) A) x4+4x3y+3x2y2+14xy3−5y4x^{4}+4 x^{3} y+3 x^{2} y^{2}+14 x y^{3}-5 y^{4}

Question 209

Multiple Choice

Multiply.
- (x2+5y2−xy) (x2+3xy+y2) \left(x^{2}+5 y^{2}-x y\right) \left(x^{2}+3 x y+y^{2}\right)


A) x4+4x3y+3x2y2+14xy3−5y4x^{4}+4 x^{3} y+3 x^{2} y^{2}+14 x y^{3}-5 y^{4}
B) x4+4x3y+9x2y2+14xy3+5y4x^{4}+4 x^{3} y+9 x^{2} y^{2}+14 x y^{3}+5 y^{4}
C) x4+2x3y+3x2y2+16xy3−5y4x^{4}+2 x^{3} y+3 x^{2} y^{2}+16 x y^{3}-5 y^{4}
D) x4+2x3y+3x2y2+14xy3+5y4x^{4}+2 x^{3} y+3 x^{2} y^{2}+14 x y^{3}+5 y^{4}

Correct Answer:

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