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Class 10 maths

Class 10 daily Maths answer key

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Answers

  1. None, since the discriminant is 1 − 8 = −7.
  2. w(w + 2) = 48, so width is 6 cm and length is 8 cm.
  3. x² = 4, so x = 2 or −2.
  4. (x − 3)(x − 4) = 0, so x = 3 or 4.
  5. (x − 5)(x + 1) = 0, or x² − 4x − 5 = 0.