Which of the following is a homogeneous expression? (a) \( 4 x^{2}-5 x y+5 x^{2} y+10 y^{2} \) (...

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Which of the following is a homogeneous expression?
(a) \( 4 x^{2}-5 x y+5 x^{2} y+10 y^{2} \)
(b) \( 5 x+10 y+100 \)
(c) \( 14 x^{3}+15 x^{2} y+16 y^{2} x+24 y^{3} \)
(d) \( x^{2}+y^{2}+x+y+1 \)
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