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\(\pi\)
e
\(\frac{a}{b}\)
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\(\sqrt{\,}\)
\(a^{b}\)
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\(\div\)
log
ln
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\(\times\)
cos
cos⁻¹
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-
sin
sin⁻¹
0
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=
+
tan
tan⁻¹
Let \(u_n\) be the number of steps I have walked at the end of day \(n\).On day 0, I walk \(u_0=1000\) steps. Each day, I walk 500 more steps than the previous day.
What are the first terms of the sequence \((u_n)\)?
\(u_1 =\)
7
8
9
+
4
5
6
-
1
2
3
*
C
0
.
÷
steps
\(u_2 =\)
7
8
9
+
4
5
6
-
1
2
3
*
C
0
.
÷
steps
\(u_3 =\)
7
8
9
+
4
5
6
-
1
2
3
*
C
0
.
÷
steps
\(u_4 =\)
7
8
9
+
4
5
6
-
1
2
3
*
C
0
.
÷
steps
\(u_5 =\)
7
8
9
+
4
5
6
-
1
2
3
*
C
0
.
÷
steps
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