jest wzor: a=(b+c) * 2 / pierwiastek z e
wyznacz z tego c i e
prosze pomozcieeee!
a = 2(b+c)/√e
2(b+c) = a√e
2b+2c = a√e
2c = a√e - 2c /:2
c = (a√e - 2c)/2
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a = 2(b+c)/√e I()² (obie strony równania podnosimy do kwadratu)
a² = 4(b+c)²/e
e·a² = 4(b+c)² /:a²
e = 4(b+c)²/a²
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a = 2(b+c)/√e
2(b+c) = a√e
2b+2c = a√e
2c = a√e - 2c /:2
c = (a√e - 2c)/2
=============
a = 2(b+c)/√e I()² (obie strony równania podnosimy do kwadratu)
a² = 4(b+c)²/e
e·a² = 4(b+c)² /:a²
e = 4(b+c)²/a²
============