Questions
Let where Then the minimum value of is
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a
−23
b
23
c
−3
d
3
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Correct option is B
det(A)=2b1bb2+1b1b2 =22b2+2-b2-b2b-b+1b2-b2-1 =b2+3 ∴det(A)b=b+3b≥23 ∵AM≥GM⇒b+3b2≥b3b⇒b+3b≥23Similar Questions
If [ ] denotes the greatest integer less than or equal to the real number under consideration, and ,, then the value of the determinant is
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