InterviewSolution
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InterviewSolution
| 1. |
\begin{array}{l}{\text { 4. Factorise. }} \\ {\text { (i) } a^{4}-b^{4}} \\ {\text { (iv) } x^{4}-(x-z)^{4}} \\ {\text { 5. Factorise the following expressions. }} \\ {\text { (i) } p^{2}+6 p+8 \quad \text { (ii) } q^{2}-10 q+21}\end{array} |
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