Решите уравнения! a) 0,01x^2 - 100 = 0 b) 16x^2 - 25 = 0 c)4/9x^2 - 25/144 = 0. Created by zuza123. matematika-ru

144 = 0...

July 2022 1 4 Report

Решите уравнения!
a) 0,01x^2 - 100 = 0
b) 16x^2 - 25 = 0
c)4/9x^2 - 25/144 = 0

Answers & Comments

СтасяХА A)0,01x^2=100
x^2=100÷0,01
x^2=10000
x=100
x=-10

б)16x^2=25
x^2=25/16
x=1,25
x=-1,25

c)4/9x^2=25/144
x^2=25/144*9/4
x^2=225/576
x=0,625.
x=-0,625

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