ExamBro
ExamBro
enEnglishhiहिन्दीguગુજરાતી
JEE Mains · Maths · STD 11 - 7. binomial theoram

\((1-x)^{100}\) ના દ્વિપદી વિસ્તરણમાં પ્રથમ \(50\) પદોના સહગુણકોનો સરવાળો \(.......\) છે.

  1. A \(-{ }^{101} C _{50}\)
  2. B \({ }^{99} C _{49}\)
  3. C \(-{ }^{99} C _{49}\)
  4. D \({ }^{101} C _{50}\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(-{ }^{99} C _{49}\)

Step-by-step Solution

Detailed explanation

\((1- x )^{100}= Co - C _1 x + C _2 x ^2-\) \(C _3 x ^3+\ldots C _{99 x }{ }^{99}+ C _{100 x } x ^{10}\) \(\Rightarrow Co ^{- C _1}+ C _2- C _3+\ldots \ldots- C _{99}+ C _{100}=0\) \(2\left( Co - C _1+ C _2+\ldots \ldots- C _9\right)+ C _{50}=0\)…
Same subject
Explore more questions on app
From JEE Mains
Explore more questions on app