beth-graham_60b2802d2cea4
beth-graham_60b2802d2cea4
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25 -y² = 0 25 = y² ----> y = V25 ---> y = 5 (25 - y²)¹/²= 25¹/² - y = ---------(explicando: (y²)¹/² = y²/² = y¹ = y) V25 - y = 5-y 5-y = 0 ---->. y=5