What is the co-efficient of x in the expression x/2+y+z
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Answer:
(x+y+z)
4
=
4
C
0
x
0
(y+z)
4
+
4
C
1
x(y+z)
3
+
4
C
2
x
2
(y+z)
2
+
4
C
3
x
3
(y+z)+
4
C
4
x
4
(y+z)
3
We are intended in term 4C
2
x
2
(y+z)
2
4
C
2
x
2
(y+z)
2
=
2
4×3
x
2
(y
2
+z
2
+2yz)
=6x
2
y
2
+6x
2
z
2
+
12x
2
yz
coefficient of x
2
yz→12
Step-by-step explanation:
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