√5 5¹/₂ *¹⁴/₃ 5¹⁴/₆ 5 ² ¹/₃
(-------- )¹⁴/³ = -------------------- = ----------- = ------------- = 5
⁷√25 5²/₇ *¹⁴/₃ 5²⁸/²¹ 5 ¹ ¹/³
∛5 √125 5³/₂ *⁶/₇ 5¹⁸/₁₄ 5¹ ²/₇
(----------)⁻⁶/₇ =( ----------) ⁶/₇ = ---------------- =----------- = ------------- =5
√125 ∛5 5¹/₃*⁶/₇ 5⁶/₂₁ 5 ²/₇
значит
√5 ∛5
(----------)¹⁴/³ =( ----------) ⁶/₇
⁷√25 √125
(x+1)²/12-(x-1)²/4=(2x-1)/4
(x+1)²-3(x-1)²=3(2x-1)
x²+2x+1-3(x²-2x+1)=6x-3
x²+2x+1-3x²+6x-3-6x+3=0
-2x²+2x=0
x²-x=0
x(x-1)=0
x₁=0
x-1=0
x₂=1
10-4х+3-9х+2+6х-9+7х-6=(10+3+2-9-6)+(-4х-9х+6х+7х)=0
=5a+8a-18a²+29-6a+3=7a-18a²+22=-18a²+7a+22
-18*1²+7*1+22=-18+7+22=11