The largest real value of a for which the equation |x + a| + |x - 1| = 2 has an infinite number of solutions for x is
Explanation:
Given, |x + a| + |x - 1| = 2
⇒ Sum of distance of x from 1 and -a is 2.
This is possible when a = -3 or 1.
Hence, option (d).
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