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Most Important Selected Qs for JEE AdvancedMathematicsTrigonometry

The number of real solutions of the equation 1+ 2 x = 2 ⁻¹( x) where - x .

Correct answer

2

Step-by-step solution

aligned & & 1+ 2 x & = 2 ⁻¹( x) & & 2 | x| & = 2 ⁻¹( x) & & | x| & = ⁻¹( x) aligned When we draw the graph both functions (shown below) we can actually see that they intersect only at two points x - x .

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