The maximum value of f(x) =
| sin²x 1+cos²x cos2x |
| 1+sin²x cos²x cos2x |, x ∈ R is:
| sin²x cos²x sin2x |
The maximum value of f(x) =
| sin²x 1+cos²x cos2x |
| 1+sin²x cos²x cos2x |, x ∈ R is:
| sin²x cos²x sin2x |
The problem involves a function f (x) defined by a determinant:
f (x) = | sin²x 1+cos²x cos2x |
| 1+sin²x cos²x cos2x |
| sin²x cos²x sin2x |
Applying the row operation R? → R? - R? , we get:
f (x) = | -1 0 |
| 1+sin²x cos²x cos2x |
| sin²x cos²x sin2x |
Expanding the determinant along the first row:
f (x) =
Similar Questions for you
|2A| = 27
8|A| = 27
Now |A| = α2–β2 = 24
α2 = 16 + β2
α2– β2 = 16
(α–β) (α+β) = 16
->α + β = 8 and
α – β = 2
->α = 5 and β = 3
|A| = 3
|B| = 1
->|C| = |ABAT| = |A|B|A7| = |A|2|B|
= 9
->|X| = |A|C|2|AT|
= 3 * 92 * 3 = 9 * 92 = 729
|A| = 2
&nb
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