Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Find values of k for which the equation |x 2 – 1| + x = k has
(i)4 solution (ii)3 solutions
(iii)1 solution (iv)2 solutions
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(i)k ∈ 
(ii)k = 1, 
(iii)k = – 1 (iv)k ∈ 
∪ (–1, 1)
Sol. Graph of f(x) = |x 2 – 1| + x is f(x) = x 2 – 1 + x
f(x) = 
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