. If f(Z) = Z2
– 2 √3 Z -1, then find f(2√3 )
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Answer:
f(Z) = Z²- 2×3^1/2 Z - 1
f(2×3^1/2) = (2×3^1/2)² - (2×3^1/2) (2×3^1/2) - 1
= 12 - 12 - 1
= -1
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