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99 Percentile Qs Bank for JEE MainMathematicsTrigonometric Equations

If 2 ² x+7 x=5 , then permissible value of x is

Options

  1. A1 2
  2. B0
  3. C1
  4. D- 1 2

Correct answer

A. 1 2

Step-by-step solution

We have 2 ² +3 =22 ² +4 - -2=0 2 ( +2)-1( +2)=0(2 -1)( +2)=0 = 1 2 ,-2 (Impossible) = 1 2

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