Kopertina e librit Matematika 10 - 11: Pjesa II

Zgjidhja e ushtrimit 1

Zgjidhja e ushtrimit 1 të mësimit 5.2A në librin Matematika 10 - 11: Pjesa II nga shtëpia botuese Botime Pegi me autorë Steve Fearnley, June Haighton, Steve Lomax, Peter Mullarkey, James Nicholson dhe Matt Nixon.


Pyetja

Thjeshtoni shprehjet e mëposhtme.

  1. 4(π+2)3(π1)4(\pi + 2) - 3(\pi -1)
  2. 5(3π)+4(2π3)5(3 - \pi) + 4(2\pi - 3)
  3. π(π+1)2(3π)\pi(\pi + 1) - 2(3 - \pi)
  4. (2π+3)(π1)(2\pi + 3)(\pi - 1)
  5. (3π4)2(3\pi - 4)^2
  6. (2π1)(2π+1)(π1)2(2\pi - 1)(2\pi + 1) - (\pi - 1)^2

Zgjidhja

  1. 4π+83π+3=π+114\pi + 8 - 3\pi + 3 = \pi + 11
  2. 155π+8π12=3π+315 - 5\pi + 8\pi - 12 = 3\pi + 3 == 3(π+1)3(\pi +1)
  3. π2+π6+2π=π2+3π6\pi^2 + \pi - 6 + 2\pi = \pi^2 + 3\pi - 6
  4. 2π22π+3π3=2π2+π32\pi ^2 - 2\pi + 3\pi -3 = 2\pi ^2+ \pi - 3
  5. 9π22×4×3π+16=9π224π+169\pi^2 - 2 \times 4 \times 3\pi + 16 = 9\pi^2 - 24\pi + 16
  6. 4π21π2+2π1=3π2+2π24\pi^2 - 1 - \pi^2 + 2\pi - 1 = 3\pi^2 + 2\pi -2