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If f left parenthesis x right parenthesis equals open vertical bar table row cell s i n invisible function application x end cell cell s i n invisible function application a end cell cell s i n invisible function application b end cell row cell c o s invisible function application x end cell cell c o s invisible function application a end cell cell c o s invisible function application b end cell row cell t a n invisible function application x end cell cell t a n invisible function application a end cell cell t a n invisible function application b end cell end table close vertical bar where 0 less than a less than b less than fraction numerator pi over denominator 2 end fraction hen the equation f(x) = 0 has, in the interval (a, b)

Maths-General

  1. atleast one root    
  2. atmost one root    
  3. no root    
  4. exactly one root    

    Answer:The correct answer is: atleast one root

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