x2 - x - 6 = 0 সমীকরণের মূলদ্বয় কত হবে?

A 3,2

B 3,-2

C -3,2

D -3,-2

Solution

Correct Answer: Option B

x²-x-6=0
বা, x²-3x+2x-6=0
বা, x(x-3)+2(x-3)=0
বা, (x-3) (x+2)=0
∴x=-2, 3

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