Question:

|x - 1| = |x - 5| ആയാൽ x-ന്റെ വില എത്ര ?

A3

B5

C4

D6

Answer:

A. 3

Explanation:

|x | = +x or -x |x - 1| = |x - 5| x - 1 = x - 5 or x - 1 = -( x - 5 ) x - 1 = x - 5 ആയാൽ - 1 = -5 അതിനാൽ x - 1 = x - 5 എന്നതിന് ഉത്തരമില്ല x - 1 = -(x - 5) ആയാൽ x - 1 = -x + 5 2x = 6 x = 6/2 = 3


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