Maths-
General
Easy

Question

blank to the power of 2 n end exponent C subscript n plus 1 end subscript plus 2 times to the power of 2 n end exponent C subscript n plus to the power of 2 n end exponent C subscript n minus 1 end subscript is equal to

  1. left parenthesis 2 n plus 2 right parenthesis C subscript n plus 1 end subscript
  2. left parenthesis n plus 1 right parenthesis subscript n plus 1 end subscript
  3. C presuperscript n subscript n
  4. left parenthesis 2 n plus 1 right parenthesis C subscript n

hintHint:

To solve the question we have to use blank to the power of n C subscript r space end subscript plus to the power of n C subscript r minus 1 end subscript equals to the power of n plus 1 end exponent C subscript r space a n d space to the power of n C subscript r space end subscript plus to the power of n C subscript r plus 1 end subscript equals to the power of n plus 1 end exponent C subscript r plus 1 end subscript .

The correct answer is: left parenthesis 2 n plus 2 right parenthesis C subscript n plus 1 end subscript


    usingblank to the power of n C subscript r space end subscript plus to the power of n C subscript r minus 1 end subscript equals to the power of n plus 1 end exponent C subscript r space a n d space to the power of n C subscript r space end subscript plus to the power of n C subscript r plus 1 end subscript equals to the power of n plus 1 end exponent C subscript r plus 1 end subscript
    blank to the power of 2 n end exponent C subscript n plus 1 end subscript plus 2 times to the power of 2 n end exponent C subscript n plus to the power of 2 n end exponent C subscript n minus 1 end subscript
    equals to the power of 2 n end exponent C subscript n plus 1 end subscript plus to the power of 2 n end exponent C subscript n plus to the power of 2 n end exponent C subscript n plus to the power of 2 n end exponent C subscript n minus 1 end subscript
equals to the power of 2 n plus 1 end exponent C subscript n plus 1 end subscript plus to the power of 2 n plus 1 end exponent C subscript n
equals to the power of 2 n plus 1 end exponent C subscript n plus 1 end subscript

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