|-12. (81)-(2)ă?2 + 3(a) 9 (b) 3 (c)3 (d)(-1)13141 +5-113.(b) 992 – InterviewSolution

1.

|-12. (81)-(2)ă?2 + 3(a) 9 (b) 3 (c)3 (d)(-1)13141 +5-113.(b) 992(d) -229 x 37 x5565 x102 Ă 153434

Answer»

(-1)^131 = -1. 4-¹ + 5-¹ = 1/4 + 1/5 = 9/20.So, (-1)^131 / [ 4-¹ + 5-¹] = -1/ (9/20)= -20/9= -2 2/9.

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