Сроооооочно! ДАЮ 35 БАЛЛОВ!!!! 1. Log4(4x-1/4) = - 1 2) y= √(x+8) (x-3)/ x²+4x-5 3) y^40 × y^-42 / y^-3. Created by AlexBabiychuk170542. matematika-ru

1) 4x - 1/4 = 4^(-1) 4x - 1/4 = 1/44x = 2/4 4x = 1/2x = 1/82) 3)

y^-3...

AlexBabiychuk170542 @AlexBabiychuk170542

August 2022 1 1 Report

Сроооооочно! ДАЮ 35 БАЛЛОВ!!!!
1. Log4(4x-1/4) = - 1

2) y= √(x+8) (x-3)/ x²+4x-5

3) y^40 × y^-42 / y^-3

Answers & Comments

snow99 1) 4x - 1/4 = 4^(-1)
4x - 1/4 = 1/4
4x = 2/4
4x = 1/2
x = 1/8

2)
$y = \frac{ \sqrt{(x + 8)(x - 3)} }{ {x}^{2} + 4x - 5 } = \frac{ \sqrt{(x + 8)(x - 3)} }{(x + 5)(x - 1)}$

3)
$\frac{ {y}^{40} \times {y}^{ - 42} }{ {y}^{ - 3} } = \frac{ {y}^{ - 2} }{ {y}^{ - 3} } = {y}^{ - 2 - ( - 3)} = {y}^{ - 2 + 3} = y$

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