2023 AISS S3 EM P1 Q8
2023 AISS S3 EM P1 Q8
5 marks
Others>EOY
- Factorise completely \(3{{p}^{4}}-4{{p}^{3}}q-20{{q}^{2}}+15pq\).[2]
- Rearrange the formula \(a=k\sqrt{\frac{a+1}{b}}\) to make \(b\) the subject.[3]
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Answer:(a) (3p - 4q)(p³ + 5q); (b) b = k²(a+1)/a²
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