1/4 ^ ( 4 - 2х ) = 16 ^ ( 3х + 2 )
4 ^ ( - 4 + 2х ) = 4 ^ ( 2( 3х + 2 ))
- 4 + 2х = 6х + 4
4х = - 8
Х = - 2
4x + 2y = 1
- 2x + y = 3
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- 4x + 2y = 6
4x - 4x + 2y + 2y = 1 + 6
4y = 7
y = 1,75
- 2x + 1,75 = 3
- 2x = 1,25
x = - 0,625
Ответ ( - 0,625 ; 1,75 )
Cos(wt) *cos(wt-y)=0,5*(cos(y)+cos(2*w*t-t))
<span>H=(V-4a^2)/a=v/a-4a
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