Published by:
CGP EDU Academic Team
Published on: August 11, 2026
The number of distinct real roots of x 4 - 4x +1 = 0 is .
Text Solution
Verified by ExpertsThe correct answer is:
B
Let 
f(x) = 4x 3 - 4
f(x) = 0 
x = l
x = 1 is point of minima.
f(1)=-2
f(0) - 1
Hence 2 solutions.
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