1/x = 1-x হলে, 1/x + x2 এর মান কত হবে?

A 1

B -1

C ±1

Solution

Correct Answer: Option D

এখানে,
1/x = 1 - x
বা, 1 = x (1 - x)
বা, 1 = x - x²
বা, 1 - x = - x²
বা, x² = x - 1

এখন,
1/x + x²
= (1 - x) + (x - 1)
= 1 - x + x - 1
= 0
অতএব, 1/x + x² এর মান হবে 0।

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