Solved papers for JEE Main & Advanced JEE Main Solved Paper-2015

done JEE Main Solved Paper-2015 Total Questions - 1

• question_answer1) The sum of coefficients of integral powers of x in the binomial expansion of \[{{\left( 1-2\sqrt{x} \right)}^{50}}\]is [JEE Main Solved Paper-2015 ]
  A)
  \[\frac{1}{2}\left( {{3}^{50}}-1 \right)\]                 
  done clear
  B)
  \[\frac{1}{2}\left( {{2}^{50}}+1 \right)\]
  done clear
  C)
  \[\frac{1}{2}\left( {{3}^{50}}+1 \right)\]
  done clear
  D)
  \[\frac{1}{2}\left( {{3}^{50}} \right)\]
  done clear
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