Login
Home
TOP
Send feedback
Login
Subjects
Maths CBSE Live product
Class 8 (2025-26)
We Distribute, Yet Things Multiply
Annual Revision II - We Distribute, Yet Things Multiply
7.
Find the value of the following
Question:
4
m.
Check each of the simplifications and see if there is a mistake. If so, find the correct value.
1)
2
a
2
×
-17
b
c
2
×
10
b
=
-340
a
2
b
c
2
Error:
The coefficients are multiplied incorrectly
The product rule is not applied to the variable
The correct value is:
-340
a
2
b
2
c
2
-340
a
2
b
c
2
-340
a
2
b
3
c
-34
a
2
b
2
c
2)
a
2
b
×
b
2
c
×
a
c
2
=
3
a
3
b
3
c
3
Error:
The product rule is not applied to the variable
The coefficients are added rather than multiplying
The correct value is:
3
a
3
b
3
c
3
3
a
b
c
3
a
+
3
b
+
3
c
a
3
b
3
c
3
Login
or
Fast registration
Previous task
Exit to the topic
Next task
Send feedback
Did you find an error?
Send it to us!
