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SPECIAL PRODUCTS

Mr. Jay Mar Bolajo Mathematics 2 A.Y 2011-2012 First Quarter. SPECIAL PRODUCTS. 1) Square of Binomial 2) The product of Sum and Difference of binomial. 3) Cube of Binomial. * CUBE OF BINOMIALS. (x+ y) 3. (x+ y) 3 . = (x+ y) (x+ y) (x+ y). =(x+ y) 2 (x+ y) = X.

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SPECIAL PRODUCTS

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  1. Mr. Jay Mar Bolajo Mathematics 2 A.Y 2011-2012 First Quarter SPECIAL PRODUCTS

  2. 1) Square of Binomial2) The product of Sum and Difference of binomial 3) Cube of Binomial

  3. * CUBE OF BINOMIALS (x+ y)3

  4. (x+ y)3 • = (x+ y) (x+ y) (x+ y) • =(x+ y)2 (x+ y) • = X • (x2 + 2xy + y2) (x+ y) = x3+x2y + 2x2y + xy2 + 2xy2 +y3 = (x3+3x2y + 3xy2 +y3)

  5. (x+ y)3 = (x3+3x2y + 3xy2 +y3) cube of the first term • three times the first term times the square the second term three times the square of the first term times the second term cube of the second term

  6. ex. 1 (d + 3)3 = (d + 3) (d + 3) (d + 3) • = (d2 +6d + 9) (d + 3) • = d3 +3d2 + 6d2 + 18d + 9d + 27 • = d3 +9d2 + 24d + 27

  7. ex. 1 (d + 3)3 = d3 +9d2 + 24d + 27 three times the square of the first term times the second term cube of the second term cube of the first term three times the square of the first term times the second term

  8. ex. 2(p + 4)3 = (p)3 (3)(p)2 (4) (3)(p)(4)2 (4)3 = cube of the first term three times the square of the first term times the second term three times the square of the first term times the second term cube of the second term

  9. ex. 2(p + 4)3 (4)3 = (p)3 (3)(p)2 (4) (3)(p)(4)2 + 64 = p3 + 48p + 12p2 • = p3 + 12p2 + 48p + 64

  10. Ex. 3(2x + 1)3

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