If $P$ is a square matrix with $P^2=P$ and if $I$ is the unit matrix of the same order as of $P$ then…

If $P$ is a square matrix with $P^2=P$ and if $I$ is the unit matrix of the same order as of $P$ then $(P+I)^4=$
  1. $I+9 P$
  2. $I+11 P$
  3. $I+13 P$
  4. $I+15 P$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (25 Apr Shift 1)

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