√(4*3)**√(16*5)/√(9*30)=2√3*4√5/(3*√5*√2*√3)=8/3√2=4√2/3
√180*√360/√80=√(36*5)*√(36*10)/√(16*5)=6√5*6√10/4√5=9√10
√216*√80/√270=√(36*6)*√(16*5)/√9*30)=8√30/√30=8
<span>√8*√675/√60=</span>√(4*2)*√(25²)/√(4*15)=25√2/√15=25√30/15=5√30/3
1) (x+101)/(x+7) = 13
x + 101 = 13 x + 91
12x = 10
<span>x = 5/6
</span>2) 5 ( 8x+4 ) + 1> 26x + 147
40 x + 20 + 1 - 26x >147
14x > 147 - 20 - 1
x>9
3) -22 = х - x^2
x^2 - x- 22 = 0
D = 89
x1 =
x2 =
4) (x-6)(-x-10) = 58
-x^2 - 4x + 2 = 0
x^2 + 4x - 2 = 0
D = 24
x1 = (-4-2√6)/2 = -2 -√6
x2 = -2 + <span>√6</span>
А) x^13
б) m^13
B) a^65
г) t^1=t
д) b^1=b
е) n^7