Solve
Guides
Join / Login
Use app
Login
0
You visited us
0
times! Enjoying our articles?
Unlock Full Access!
Standard IX
Mathematics
Algebraic Identities
Question
If
a
=
3
,
b
=
−
3
, find the value of
a
3
−
b
3
Open in App
Solution
Verified by Toppr
Let us substitute
a
=
3
and
b
=
−
3
in the given expression
a
3
−
b
3
as shown below:
a
3
−
b
3
=
3
3
−
(
−
3
)
3
=
27
−
(
−
27
)
=
27
+
27
=
54
Hence,
a
3
−
b
3
=
54
if
a
=
3
and
b
=
−
3
.
Was this answer helpful?
2
Similar Questions
Q1
If
a
=
3
,
b
=
−
3
, find the value of
a
3
−
b
3
View Solution
Q2
If
a
=
2
and
b
=
3
, find the value of
a
3
−
b
3
.
View Solution
Q3
If
a
+
b
+
c
=
9
then find the value of
(
3
−
a
)
3
+
(
3
−
b
)
3
+
(
3
−
c
)
3
−
3
(
3
−
a
)
(
3
−
b
)
(
3
−
c
)
View Solution
Q4
If
a
b
=
5
3
,
then find the value of
a
3
−
b
3
b
3
.
View Solution
Q5
If
a
−
b
=
3
and
a
b
=
10
, find
a
3
−
b
3
=
.
View Solution