a2 -6a +1 =0 হলে a+1a=?

A 3
B 33
C 6
D 9

Correct Answer: 6

দেওয়া আছে, a2 - 6a + 1 = 0 ⇒a2 + 1 = 6a⇒a2 + 1a = 6aa⇒a2a + 1a = 6⇒a + 1a = 6.'. a + 1a = 6
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