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Question

Question: <img src="https://cdn.pureessence.tech/canvas_592.png?top_left_x=937&top_left_y=1077&width=300&heigh...

is equal to

A

1

B

2

C

3

D

4

Answer

4

Explanation

Solution

=

= 2[x]−2−1+[x]−10+0+[x]122 [ \mathrm { x } ] _ { - 2 } ^ { - 1 } + [ \mathrm { x } ] _ { - 1 } ^ { 0 } + 0 + [ \mathrm { x } ] _ { 1 } ^ { 2 }

= 2(–1 + 2) + (0 + 1) + 0 + ( 2 –1)

= 2 + 1 + 1 + = 4