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IP1U4 SWII (Further App. of Alg. Id.) Q11

IP1U4 SWII (Further App. of Alg. Id.) Q11

IP 1

Given that \((a + b)^2 = 9\), \((a - b)^2 = 5\), find the values of

  1. \(a^2 + b^2\)
  2. \(ab\).

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Answer:(i) \(7\) (ii) \(1\)

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