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向量的基本概念與應用

向量的基本概念與應用

Assessment

Flashcard

•

Mathematics

•

12th Grade

•

Hard

Created by

陳 品妍

Used 1+ times

FREE Resource

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4 questions

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1.

FLASHCARD QUESTION

Front

向量 a=(5,12)\mathbf{a}=(5,12) 的長度是多少?

Back

13

2.

FLASHCARD QUESTION

Front

向量 a=(2,−3)\mathbf{a} = (2, -3) 和向量 b=(−1,4)\mathbf{b} = (-1, 4) 的和是多少?

Back

(1, 1)

3.

FLASHCARD QUESTION

Front

如果向量 a=(1,2)\mathbf{a} = (1, 2) 和向量 b=(3,4)\mathbf{b} = (3, 4) ,則 a⋅b\mathbf{a} \cdot \mathbf{b} 的內積是多少?

Back

11

4.

FLASHCARD QUESTION

Front

若向量 a=(x,y)\mathbf{a} = (x, y) ,且 ∣a∣=5|\mathbf{a}| = 5 ,請問 x2+y2x^2 + y^2 的值是多少?

Back

25

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