Math miscellaneousHard
Question
Let A = 
, then A2015 is
, then A2015 isOptions
A.
B.
C.
D.
Solution
A = 
⇒A2 = - I, A3 = - A. A4 = I
A2015 = - A =
⇒A2 = - I, A3 = - A. A4 = IA2015 = - A =
Create a free account to view solution
View Solution FreeMore Math miscellaneous Questions
The number of solutions of equation x + y + z = 101 where x,y,z ∈ {0,1,2,.......50} will be -...If A & B are two exhaustive events such that P(A ∪ ) = 2P( ∩ B) = P(B), then-If A & B are two exhaustive eve...Coefficient of x11 in the expansion of (1 + x2)4(1 + x3)7(1 + x4)12 is...If , then the smallest possible value of (a + b + c + d) if a, b, c, d are all positive integers -...If the ratio of the sum of m and n terms of an A.P. is m2 : n2, then the ratio of its mth and nth terms is :-...