1) y=√4+y + 1/√15-5y

2) 16/x^2-16 + x/x+4 = 2/x-4

3) 60/10-x - 60/x = 5

4) 1/x-1 + 1/x^2-1 = 5/8

Question

Алгебра

Герма

15 августа, 00:16

1) y=√4+y + 1/√15-5y

2) 16/x^2-16 + x/x+4 = 2/x-4

3) 60/10-x - 60/x = 5

4) 1/x-1 + 1/x^2-1 = 5/8

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Лавра · Answer 1

1) y=√4+y + 1/√15-5y

√4 + √15/15=5y

(√60 + √15) = 5y*15=75y

√15 (√4+1) = 75y

√4+1 = √15*5y

y = (√4+1) / (√15*5)

2) 16/x^2-16 + x/x+4 = 2/x-4

3) 60/10-x - 60/x = 5

4) 1/x-1 + 1/x^2-1 = 5/8

1) y=√4+y + 1/√15-5y2) 16/x^2-16 + x/x+4 = 2/x-43) 60/10-x - 60/x = 54) 1/x-1 + 1/x^2-1 = 5/8

1) y=√4+y + 1/√15-5y

2) 16/x^2-16 + x/x+4 = 2/x-4

3) 60/10-x - 60/x = 5

4) 1/x-1 + 1/x^2-1 = 5/8