( (3,5)⋅ (4,-2)) 相关知识点: 试题来源: 解析 The dot product of two vectors is the sum of the products of each of the component vectors. ( 3⋅ 4+5⋅ -2) Simplify each term. ( 12-10) Subtract ( 10) from ( 12). ( 2) 反馈...
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百度试题 结果1 题目 Simplify: 5(x + 3) − 4(3x − 5)A:7x + 35B:−7x + 23C:17x + 35D:−7x + 35 相关知识点: 试题来源: 解析 D None 反馈 收藏
【解析】To write as a fraction with a common denominator multpl by 3/5+5/6 3/4 T o write as a fraction with a common denominator multpl by3/4 3/3+5/6- 22Write each expression with a common denominator of 12, by multiplying each by an appropriate factor of 1.(3-3)/(12)+(5...
Method 1: Combine the numbers inside the parentheses first:3[4(2-8)-5(4+2)]=3[4(-6)-5(6)]=3[-24-30]=3[-54]=-162Method 2: Use the distributive law:3[4(2-8)-5(4+2)]=3[8-32-20-10]=3[8-62]=3[-54]=-162 ...
题目Simplify (3p^3-5+3p^4)-(6+p^4-7p^3) ( (3p^3-5+3p^4)-(6+p^4-7p^3)) 相关知识点: 试题来源: 解析 Simplify each term. ( 3p^3-5+3p^4-6-p^4+7p^3) Simplify by adding terms. ( 2p^4+10p^3-11) 反馈 收藏 ...
Simplify :234−156 View Solution Simplify:(34)2(ii)(−23)4(iii)(−45)5 View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium NCERT Solutions for Class 10 English Medium ...
解析 Multiply( n) by ( n^(5/3)) by adding the exponents.( 4n^(8/3)⋅ 3⋅ (4n^(4/3)))Multiply( n^(8/3)) by ( n^(4/3)) by adding the exponents.( 4n^4⋅ 3⋅ 4)Multiply( 3) by ( 4).( 12n^4⋅ 4)Multiply( 4) by ( 12).( 48n^4)...
4(3,5)−2(7,−2)4(3,5)-2(7,-2) ( ) | [ ] √ ≥ 7 8 9 ≤ 4 5 6 / ^ × > ∩ ∪ 1 2 3 - + ÷ < π
解析 Expand ( (3+4i)(5-2i)) using the FOIL Method. ${\displaystyle 3\cdot 5+3(-2i)+4i\cdot 5+4i(-2i)}$ Simplify and combinelike terms. ${\displaystyle 23+14i}$ 结果一 题目 Simplify (3+2i)(1+4i) 答案 Expand using the FOIL Method.Simplify and combinelike terms.相关...