Prime factor difference from a factorisation

Prime factor difference from a factorisation

Secondary 2
6 marks
TGM Original Questions

Core stretch

  1. Factorise \(20n^2+22n+6\) completely.[3]
  2. It is known that the value when \(n=8\) is a product of three primes. Find the difference between its largest and smallest prime factors.[3]

Solution:

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Answer:(a) \(2(5n+3)(2n+1)\) (b) \(41\).

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