Solved papers for JEE Main & Advanced JEE Main Solved Paper-2014

done JEE Main Solved Paper-2014 Total Questions - 1

• question_answer1) If the coefficients of \[{{x}^{3}}\]and \[{{x}^{4}}\] in the expansion of \[(1+ax+b{{x}^{2}}){{(1-2x)}^{18}}\]in powers of x are both zero, then (a, b) is equal to:   JEE Main  Solved  Paper-2014
  A)
  \[\left( 16,\frac{251}{3} \right)\]                              
  done clear
  B)
  \[\left( 14,\frac{251}{3} \right)\]
  done clear
  C)
  \[\left( 14,\frac{272}{3} \right)\]                              
  done clear
  D)
  \[\left( 16,\frac{272}{3} \right)\]
  done clear
  View Answer play_arrow