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Subscribe to the channel, activate the bell and ask me your questions! =D ▶ Did you like the free content and want to support the channel? =) Contribute through PIX: [email protected] ▶ Follow me on Instagram: @professoremcasa01 =D • Challenges: • MATHEMATICAL CHALLENGE PDF sheet: https://drive.google.com/file/d/1SYwn. .. the number cbrt(26 - 15sqrt(3)) is equal to: a) 5 - sqrt(3) b) sqrt(7 - 4sqrt(3)) c) 3 - sqrt(2) d) sqrt(13 - 3sqrt(3)) e) 2