20v2−v−12 Explanation: To simplify this expression we need to cross multiply the terms in the parenthesis on the left by each term in the parenthesis on the right: (4v⋅5v)−(4v⋅4)+(3⋅5v)−(3⋅4) ... How do you solve (r−2)(r+6)=4 using the quadratic form...
4−2x=2 Solve for x x=1 Graph Examples
Assuming that ( X) is the matrix to solve for, multiply the inversematrix( [(array)(cc)-2& 1 -3/2& 1(array)]) by both sides of the equation( [(array)(cc)-2& 2 -3& 4(array)]x=1). ( [(array)(cc)-2& 1 -3/2& 1(array)]⋅ ([(array)(cc)-2& ...
Solve sec 4 theta- sec 2 theta=2. 02:25 Solve 5 cos 2 theta+2 "cos"^(2) theta/2 +1=0, -pi lt theta lt pi. 02:46 If (costheta+cos2theta)^3=cos^3theta+cos^3 2theta, then the least p... 02:49 cos(x)cos(2x)cos(3x)=1/4. Find the general solution. 03:50 Solve...
函数solve()有两个作用:solve(A,b)可以用于求解线性方程组Ax=b,solve(A)可以用于求矩阵A的逆,设A={{1,2,3},{4,5,6},{7,8,
4. Reset the network setting realme UI 6.0: Settings > System & updates > Backup & reset > Reset phone > Reset Network & Bluetooth settingsrealme UI 5.0 & 4.0: Settings > Additional Settings > Backup & reset > Reset phone > Reset Network settings....
2cos(6θ+4θ2)cos(6θ−4θ2)=0 2cos5θ⋅cosθ=0 cos5θ=0 5θ=(2m+1)π2 θ=(2m+1)π10 cosθ=0 θ=(2m+1)π2. | ShareSave Class 11MATHSTRIGONOMETRIC FUNCTIONS Topper's Solved these Questions STRAIGHT LINESBook:CENGAGE ENGLISHChapter:STRAIGHT LINESExercise:All Questions ...
Solving an equation containing one variable means finding the value variable or called the solutions in which when substituted into the equation will make a true statement. Answer and Explanation:1 We solve for the equation−4(3x+2)=16. ...
百度试题 结果1 题目Solve: 8 − 4(−2) − (2 − 7) A: 29 B: −3 C: 21 D: 11 相关知识点: 试题来源: 解析 B −3 反馈 收藏
在Matlab ”Command Window“中输入如下命令:x=solve(‘x^2+100*x+99=0’,‘x’)2、回车后,Matlab就求出了这个一元二次方程的解3、再举一例,解一元三次方程“x^3+1=0”。在Matlab ”Command Window”中输入如下命令:x=solve(‘x^3+1=0’,‘x’)4、回车后,Matlab就求出了这个一元三次方程“x...