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Maths, VIII

  1. Make any two solid shape and find its volume, surface area.

2.Write and factorise any five expressions each of the form a)  (a+b)2 = a2+2ab +b2

  1. b) (a-b)2 = a2-2ab+b2
  2. c) (a2-b2) = (a+b)(a-b)
  3. d) (x+a)(x+b) = x2+(a+b)x+ab

 

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