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Byju's Answer
Standard VIII
Mathematics
Multiplication of a Monomial by a Monomial
The coefficie...
Question
The coefficient of x in −5xyz is
(a) −5
(b) 5yz
(c) −5yz
(d) yz
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Solution
(c) −5yz
All the terms in the expression −5xyz barring x will be the coefficient of x, i.e. −5yz.
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Similar questions
Q.
The coefficient of x in −5xyz is
(a) −5
(b) 5yz
(c) −5yz
(d) yz
Q.
Subtract :
3
x
y
+
5
y
z
−
7
z
x
from
4
x
y
−
y
z
+
z
x
−
9
x
y
z
Q.
If x = 1, y = 2 and z = 5, find the value of
(i) 3x − 2y + 4z
(ii) x
2
+ y
2
+ z
2
(iii) 2x
2
− 3y
2
+ z
2
(iv) xy + yz − zx
(v) 2x
2
y − 5yz + xy
2
(vi) x
3
− y
3
− z
3
Q.
If
x
=
1
,
y
=
2
and
z
=
5
, find the value of
2
x
2
y
−
5
y
z
+
x
y
2
.
Q.
If
A
=
9
x
y
+
4
y
z
−
4
z
x
,
B
=
5
y
z
+
10
z
x
−
4
x
y
,
C
=
−
3
x
z
then
A
+
B
+
C
is:
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