<span>а) 0.5c⁴+0.3c²+c³-0.5c² = 0.5c⁴ + с³ - 0,2с²</span>
<span><span>б)1.4z³-0.1z²-0.4z³+1 = z³ - 0,1z² +1</span></span>
<span><span><span>в) a²+a+1/4a²-a = 5/4а²</span></span></span>
<span><span><span><span>г) 1/2m⁵-1/4m³+m³-3/4m⁵ = 3/4m³ -1/4m⁵</span></span></span></span>
<span><span><span><span><span>д) 1/3x+2/3x³-x-2/3x³+3 = 3 - 2/3х</span></span></span></span></span>
<span><span><span><span><span><span>е) 2/5b²+b-3/5b²+1/4b = 5/4b - 1/5b²</span></span></span></span></span></span>
Ответ: S=9 кв. ед.
Объяснение:
y=-x²+4 y=0 x=-2 x=1 S=?
S=₋₂∫¹(-x²+4-0)dx=(-x³/3+4x) ₋₂|¹=(-1³/3)+4*1-(-(-2)³/3+4*(-2)=
=(-1/3)+4-(8/3-8)=3²/₃-(2²/₃-8)=3²/₃-(-5¹/₃)=3²/₃+5¹/₃=9.
(53-3)*9+4*6=474 53-(3*9+4*6)=2 53-(3*9)+4*6=50 <span>(53-3*9+4)*6=180</span>
6. 1-24/25-1/25+1=1-1+1=1
5^3/8·3^6/8·3^-5/8*3^1/4*5^5/8*3^5/8=3^[6/8-5/8+2/8+5/8]*5^[3/8+5/8]=3*5=15
7/ 0.2*5³ --- 10/2*625^1/8
25 ------- 5*√5 25>5√5 Первое число больше
8. ... = [1-2√а/√в+ а/в]*в/(√в-√а)=(1-√а/√в)²·в/)(√в-√а ) =√в-√а при а=0,49 и в=1,21 = √1,21-√0,49=1,1-0,7=0,4