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\(\pi\)
e
\(\frac{a}{b}\)
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\(\sqrt{\,}\)
\(a^{b}\)
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log
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tan⁻¹
In a class of 15 students, there are 9 boys and 6 girls. The teacher wants to form a group of 4 students, consisting of exactly 2 boys and 2 girls. How many different groups can be formed?
\(\pi\)
\(e\)
\(x\)
\(n\)
\(u_n\)
\(f\)
\(i\)
\(\frac{a}{b}\)
\(\sqrt{\,}\)
\({a}^{b}\)
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\(\log{\,}\)
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\(C\)
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9
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→
\(\sin{\,}\)
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6
(
)
\(\cos{\,}\)
1
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3
\(\times\)
\(\div\)
\(\tan{\,}\)
C
0
.
+
-
=
groups
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