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Question
Match the following:
| Column A | Column B |
| (a) 4y2 × −3y | (i) 20x2y −20x |
| (b) −2xy(5x2 −3) | (ii) 5x3 − 5xy2 + 5x2y |
| (c) 5x(x2 − y2 + xy) | (iii) 4x2 − 9 |
| (d) (2x + 3)(2x −3) | (iv) −12y3 |
| (e) 5x(4xy −4) | (v) −10x3y + 6xy |
Options
iv, v, ii, i, iii
v, iv, iii, ii, i
iv, v, ii, iii, i
iv, v, iii, ii, i
Solution
iv, v, ii, iii, i
Explanation;
| Column A | Column B |
| (a) 4y2 × −3y | (iv) −12y3 |
| (b) −2xy(5x2 −3) | (v) −10x3y + 6xy |
| (c) 5x(x2 − y2 + xy) | (ii) 5x3 − 5xy2 + 5x2y |
| (d) (2x + 3)(2x −3) | (iii) 4x2 − 9 |
| (e) 5x(4xy −4) | (i) 20x2y −20x |
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