oblicz długości odcinków oznaczonych literami
a)
a^2 = 4^2 + 6^2
a^2 = 16 + 36
a^2 = 52
a =√52 = √(13 * 4) = 2√13
b)
b^2 = (3√5)^2 - (3√3)^2
b^2 = 9 * 5 - 9 * 3
b^2 = 45 - 27
b^2 = 18
b = √18 = √(2 * 9) = 3√2
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a)
a^2 = 4^2 + 6^2
a^2 = 16 + 36
a^2 = 52
a =√52 = √(13 * 4) = 2√13
b)
b^2 = (3√5)^2 - (3√3)^2
b^2 = 9 * 5 - 9 * 3
b^2 = 45 - 27
b^2 = 18
b = √18 = √(2 * 9) = 3√2