Calculus (typo)
Int=1/5(sin(t)-t*COS(t))+C
Calculus
t=x^5, dt=5x^4dx x^9*sin(x^5)dx=x^5*sin(x^5)*x^4*dx= t*sin(t)*(1/5)dt Int=1/5(sin(t)-t*sin(t))+C, t=x^5
Calculus
If z=cos(2q) then dz=-2sin(2q)dq. Integral=-1/2*Integral z^4dz= -1/10*z^5+C
statistics
66-5*3-5*9
calculus
Reiny found a positive root but there is a negative root x=-0.55 (approximately) We can started with x=-1
Mathematics optimization
f'(c)=(b^2-a^2)/(b-a)=b+a=2c=>c=(a+b)/2
calculus
a^2-b^2=(a-b)(a+b) 4-x^2=2^2-x^2
calculus
1)x^2(x^2-9)=x^2(x-3)(x+3)>0 x>3 or x<-3 2)x*2^x(4-x^2)=x*2^x(2-x)(2+x)<=0 -2<=x<=0 or x>=2
survey of mathematics
17-10
Math
232,441
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