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Byju's Answer
Standard XII
Mathematics
How to Find the Inverse of a Function
State whether...
Question
State whether True or False.
Simplify :
(
7
x
−
8
)
(
3
x
+
2
)
.
The answer is
21
x
2
−
10
x
−
16
.
A
True
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B
False
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Solution
The correct option is
A
True
M
u
l
t
i
p
l
y
i
n
g
(
7
x
−
8
)
(
3
x
+
2
)
,
=
21
x
2
+
14
x
−
24
x
−
16
=
21
x
2
−
10
x
−
16
Suggest Corrections
1
Similar questions
Q.
State whether True or False.
Simplify :
(
p
x
−
q
)
(
p
x
+
q
)
.
The answer is
p
2
x
2
−
q
2
.
Q.
State whether True or False.
Simplify:
(
4
x
−
5
y
)
(
5
x
−
4
y
)
.
The answer is
20
x
2
−
41
x
y
+
20
y
2
.
Q.
State whether True or False.
Simplify :
(
5
a
+
5
b
−
c
)
(
2
b
−
3
c
)
.
The answer is
10
a
b
+
10
b
2
−
17
b
c
−
15
a
c
+
3
c
2
.
Q.
State whether True or False.
Simplify:
(
3
y
+
4
z
)
(
3
y
−
4
z
)
+
(
2
y
+
7
z
)
(
y
+
z
)
.
The answer is
11
y
2
+
9
y
z
−
9
z
2
.
Q.
State True or False.
Simplify:
(
36
x
2
)
1
2
, then the answer is
6
x
.
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