Q72. A plane x + y + z = -√3 touches the sphere 2x² + 2y² + 2z² - 2x + 4y - 4z + 3 = 0Mathematics — NUST Mock By IBAGRADS 5 — Question 72 of 200A. ± 1/√3B. 1/2√3C. 1 - 1/√3D. 1 + 1/√3Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →