Fractional part of the number 4 2022 15 is equal to

Fractional part of the number 4202215 is equal to

  1. 815
  2. 415
  3. 1415
  4. 115

Solution

Given that 4202215

We know that a+xn=C0nanx0+C1nan-1x1+.....+Cnna0xn

4202215=16101115=15+1101115

=C01011151011+C11011151010+.....+C1011101115015

=C01011151011+C11011151010+.....+C1010101115115+115

 Fractional part of4202215=115

Hence this is the required option.

Asked in: JEE Main 2023 (13 Apr Shift 1)

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