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(a) Identify terms which contain x and give the coefficient of x.(i) y2x + y (ii) 13y2− 8yx (iii) x + y + 2(iv) 5 + z + zx (v) 1 + x+ xy (vi) 12xy2 + 25(vii) 7x + xy2(b) Identify terms which contain y2 and give the coefficient of y2.(i) 8 − xy2 (ii) 5y2 + 7x (iii) 2x2y −15xy2 + 7y2 |
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Answer» (a) Identify terms which contain x and give the coefficient of x. (i) y2x + y (ii) 13y2− 8yx (iii) x + y + 2 (iv) 5 + z + zx (v) 1 + x+ xy (vi) 12xy2 + 25 (vii) 7x + xy2 (b) Identify terms which contain y2 and give the coefficient of y2. (i) 8 − xy2 (ii) 5y2 + 7x (iii) 2x2y −15xy2 + 7y2 |
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