1. 3.22
ሬሬሬሬሬԦ ሬԦ
‫ = ܵ ݎ݁ݒ݁ݎܿݏ݁ ݏ݋݉݁݀݋݌ ܸߙ + ܳ = ܺ :ݎ ݋݉݋ܿ ݎ ܽݐ݁ݎ ܽ ݋݂݀݊݅݊݅݁ܦ‬หܳܲ × ܸห = ݀(ܲ, ‫ × )ݎ‬หܸ ห
ሬሬሬሬሬԦ
ܾܵܽ݁ − ‫))3−( − 4( = ܲܳ ݁ݑݍ ݁ݏ‬û௫ + (5 − 6)û௬ + (−7 − 12)û௭ = 7û௫ − û௬ + 19û௭
ሬԦ ሬሬሬሬሬԦ ሬԦ
‫4 = ܸ ݋݉݋ܥ‬û௫ − û௬ + 3û௭ ‫22− = ܸ × ܲܳ ݁ݑݍ ݏ݋݉݁ݐ‬û௫ − 97û௬ − 3û௭
9902
ሬሬሬሬሬԦ ሬԦ ሬԦ
‫ ݋݉݋ܿ ,ܽ݉݅ܿܽ ݏ݋݀ܽݐ݈ݑݏ݁ݎ ݏ݋ܦ‬หܳܲ × ܸ ห = √9902 ݁ หܸ ห = √26 ‫ = )ݎ ,ܲ(݀ ݁ݑݍ ݏ݋݉݁ݐ‬ඨ
26
‫ݐݏ݅݀ ܽ ݉݅ݏݏܣ‬â݊ܿ݅ܽ ݁݊‫.65,91 ,݁ݐ݊݁݉ܽ݀ܽ݉݅ݔ݋ݎ݌ܽ ,݈݁ܽݒ ݎ ݁ ܲ ݁ݎݐ‬
݆ܵ݁ܽ ߨ ‫ݐݏ݅݀ ܽ ݋݀݅݀݁݌ ݋݈݊ܽ݌ ݋‬â݊ܿ݅ܽ ݀(ܲ, ߨ) ‫:ݎ݋݌ ݈ܽ݀ܽݑ݈ܿܽܿ ݎ݁ݏ ݁݀݋݌‬
ሬሬሬሬሬԦ ሬԦ ሬԦ ሬሬሬሬሬԦ ሬԦ ሬሬሬሬሬԦ ሬԦ
หܳܲ · ܸ ห = หܸ ห · หܳܲหܿ‫ = ߠݏ݋‬หܸ ห · ݀(ܲ, ߨ), หܳܲ · ܸ ห = |7 · 4 + (−1) · (−1) + 3 · (−19)| = 28
28
‫ )ߨ ,ܲ(݀ ܽ݉݅ܿܽ ݏ݋݀ܽݐ݈ݑݏ݁ݎ ݏ݋ܦ‬é ݅݃‫ ܽ ݈ܽݑ‬ , ‫.94,5 ݁ݐ݊݁݉ܽ݀ܽ݉݅ݔ݋ݎ݌ܽ ݋݈݀݊݁ܽݒ‬
√26