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ºðÎð²â²öàôÂÚàôÜ 11

ºðÎð²â²öàôÂÚàôÜ 11

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30. ï»ù ½áõ·³Ñ»é ï»Õ³÷áËáõÃÛ³Ý í»ÏïáñÇ Ïááñ¹ÇݳïÝ»ñÁ, »Ã»<br />

ѳÛïÝÇ ¿, áñ ³Û¹ ï»Õ³÷áËáõÃÛ³Ý ¹»åùáõÙ A(1; 0; 2) Ï»ïÁ ³ÝóÝáõÙ ¿<br />

A′(2; 1; 0) Ï»ïÇÝ£<br />

31. ¼áõ·³Ñ»é ï»Õ³÷áËáõÃÛ³Ý ¹»åùáõÙ A(2; 1; −1) Ï»ïÁ ³ÝóÝáõÙ ¿<br />

A′(1; −1; 0) Ï»ïÇÝ£ ƱÝã Ï»ïÇ ¿ ³ÝóÝáõÙ Ïááñ¹ÇݳïÝ»ñÇ ëϽμݳϻïÁ£<br />

32. áÛáõÃÛáõÝ áõÝDZ ³ñ¹Ûáù ½áõ·³Ñ»é ï»Õ³÷áËáõÃÛáõÝ, áñÇ ¹»åùáõÙ A<br />

Ï»ïÁ ³ÝóÝáõÙ ¿ B Ï»ïÇÝ, ÇëÏ C Ï»ïÁª D Ï»ïÇÝ, »Ã»ª<br />

³) A(2; 1; 0); B(1; 0; 1); C(3; −2; 1); D(2; −3; 0)<br />

μ) A(−2; 3; 5); B(1; 2; 4); C(4; −3; 6); D(7; −2; 5)<br />

·) A(0; 1; 2); B(−1; 0; 1); C(3; −2; 2); D(2; −3; 1)<br />

¹) A(1; 1; 0); B(0; 0; 0); C(−2; 2; 1); D (1; 1; 1)<br />

⎡33. ï»ù A Ï»ïÁ Oz ³é³ÝóùÇ ßáõñçÁ α ³ÝÏÛáõÝáí åïïáõÙÇó ëï³óí³Í<br />

A 1 Ï»ïÇ Ïááñ¹ÇݳïÝ»ñÁ, »Ã»<br />

³) A (1; 2; 3), α = 45°; μ) A (−2; 0; 1), α = 60°; ·) A (3; −1; 2), α = −120°:<br />

34. ÈáõÍ»ù ÝáõÛÝ ËݹÇñÁ, »Ã» åïáõÛïÁ ϳï³ñí»É ¿<br />

³) Ox ³é³ÝóùÇ ßáõñçÁ, μ) Oy ³é³ÝóùÇ ßáõñçÁ£<br />

35. A Ï»ïÁ Oz ³é³ÝóùÇ ßáõñçÁ α ³ÝÏÛáõÝáí åïïáõÙÇó ëï³óí»É ¿ A 1 Ï»-<br />

ïÁ£ ï»ù A Ï»ïÇ Ïááñ¹ÇݳïÝ»ñÁ, »Ã»<br />

³) A 1 (4; −2; 1), α = 30°; μ) A 1 (0; 2; 3), α = 150°; ·) A 1 (−1; 1; 1), α = −60°£<br />

36. ÈáõÍ»ù ÝáõÛÝ ËݹÇñÁ, »Ã» åïáõÛïÁ ϳï³ñí»É ¿<br />

³) Ox ³é³ÝóùÇ ßáõñçÁ, μ) Oy ³é³ÝóùÇ ßáõñçÁ£<br />

37. ´¨»é³ÛÇÝ Ïááñ¹ÇݳïÝ»ñÁ ³ñï³Ñ³Ûï»ù ¹»Ï³ñïÛ³Ý Ïááñ¹Çݳï-<br />

Ý»ñáí£<br />

38. γéáõó»ù Ñ»ï¨Û³É Ïáñ»ñÁ.<br />

π<br />

³) r = 5 μ) ϕ = −− ·) r = 2 sin ϕ ¹) r = cos 2 ϕ ⎦<br />

4<br />

100

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