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Let L = (x^2-1) [ ( x , ?
MATHEMATICS · Subjective · ISC · Mathematics · Algebra · Calculus
Problem
Let
L
=
(
x
2
−
1
)
[
tan
(
β
x
??
2
)
]
(
x
−
1
)
(
x
2
+
1
)
,
L = \frac{(x^2-1) \bigl[\tan\left(\frac{\boxed{\beta x\,\text{??}}}{2}\right)\bigr]}{(x-1)(x^2+1)},
L
=
(
x
−
1
)
(
x
2
+
1
)
(
x
2
−
1
)
[
tan
(
2
β
x
??
)
]
,
sorry.
Related theory
Limits of Trigonometric Functions
Algebraic Identities
Polynomials
Limits
Limits and Continuity
Quadratic Equations
Polynomial Functions
Twice the sum of squares
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