0.0625a^4-b^4 -1+s^4
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/28 18:12:47
0.0625a^4-b^4-1+s^40.0625a^4-b^4-1+s^40.0625a^4-b^4-1+s^40.0625a^4-b^4=(0.25a)^4-b^4=[(0.25a)^2+b^2]
0.0625a^4-b^4 -1+s^4
0.0625a^4-b^4
-1+s^4
0.0625a^4-b^4 -1+s^4
0.0625a^4-b^4
=(0.25a)^4-b^4
=[(0.25a)^2+b^2][(0.25a)^2-b^2]
=[(0.25a)^2+b^2](0.25+b)(0.25-b)
-1+s^4
=s^4-1
=(s^2+1)(s^2-1)
=(s^2+1)(s+1)(s-1)
0.0625a^4-b^4
=(0.25a^2+b^2)(0.25a^2-b^2)
=(0.25a^2+b^2)(0.5a-b)(0.5a+b)
-1+s^4=-(1-s^2)(1+s^2)=-(1-s)(1+s)(1+s^2)
0.0625a^4-b^4 -1+s^4
Matlab运行结果A=[1,2:3,4];B=[-1,-2;2,1];S=3;A.*B A*B S.*A S*B
S={2,3,4},A=S×S,(a,b)R(c,d)<=>a-d=c-b,计算A/R,
集合s={a,b,c,d},含元素a,b的s的子集共有A 0个 B 1个 C 2个 D 4个
matlab Z变换G(S)=K(S+b)/s(s*s+4s+8)(s+a) 怎样在matlab中将起变换为G(z)?
a b c s 各代表多少数?1 a b c s × 9 =s c b a 2 AB×AB=4□□4,求 A=?,B=?
1、A:__________is the boy in blue?B:He’s Mike.2、A:__________wallet is it?B:It’s mine.3、A:1、A:__________is the boy in blue?B:He’s Mike.2、A:__________wallet is it?B:It’s mine.3、A:__________is the diary?B:It’s under the chair.4、A:
A:Hi,Tom!Let's play sports after class.B:(1) < A:No.I don't have a basketball.B:Do you haveping-pong balls?A:(2)< >.But(3)< >.B:Let's play soccer.I have a soccer ball.A:(4)< >.B:What shall we do?A:Let's run.I think it's interesting.B:(5)< >.Let's run
一物体的位移函数式是s=4t+2t^(t方)+5(m),)A.2m/s 0.4m/s^(s方) B.4m/s 2m/s^(s方)C.4m/s 4m/s^(s方) D.4m/s 1m/s^(s方)
-2s^3+4s^2-6s分解因式-2s^3+4s^2-6s-x^2+2x-14b^2-4b+1-a^2
在三角形ABC中,三边a.b.c与面积s的关系式为s=1/4(a²+b²-c²)则角C为多少度
在梯形面积公式S=1/2(a+b)h中,(1).已知S=60,B=4,h=12.求a(2)已知S=50,A=,b=5/3a,求h.
在公式s=1/2(s+b)h中,已知a=3,h=4,s=16,那么b=?求过程
已知△ABC的面积S=b²+c²-a²/4,求A.
如图是A、B两物体的x—t图象,试判断1)A、B两物体各做什么运动?A B (2)2 s末A、B的位移各是多少?A B (3)A、B的速度大小各是多少?A B (4)3 s内A、B运动的位移是多少?A B 特别是第二小问需详
Complete the dialogueA: Mum ,your bag is full. What's in it? B: (1)____________________________!A: A book?B: (2)____________________________.A: A dress?B: (3)____________________________.A: What's in it?(4)_______________.B: All right. (5)___________
在梯形面积公式s=二分之一(a+b)h中,已知s=60,b=4,h=12求a;在梯形面积公式s=二分之一(a+b)h中:(1)已知s=二分之一(a+b)h中,已知s=60,b=4,h=12,求a;(2)已知s=50,a=6,b=三分之五a,求h.急求!要过程~~~望高手讲解~
在梯形面积公式S=1/2(a+b)h中,已知S=30,a=6,h=4,求b;S=60,b=4,h=12,求a;S=50,a=6,b=5/3a,...在梯形面积公式S=1/2(a+b)h中,已知S=30,a=6,h=4,求b;S=60,b=4,h=12,求a;S=50,a=6,b=5/3a,求h.