1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VII
Mathematics
Exponents in Fractions
17134× 17134-...
Question
171
3
4
×
171
3
4
−
91
3
4
×
91
3
4
171
3
4
+
91
3
4
is equal to
A
263
1
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
90
1
4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
80
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
80
3
4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
A
80
If
a
=
171
3
4
,
b
=
91
3
4
, then given expression is
a
2
−
b
2
a
+
b
=
(
a
+
b
)
(
a
−
b
)
(
a
+
b
)
=
a
−
b
=
171
3
4
−
91
3
4
=
80
Suggest Corrections
0
Similar questions
Q.
Mark the correct alternative in each of the following:
Which one of the following is true?
(a)
1
2
<
9
13
<
3
4
<
12
17
(b)
3
4
<
9
13
<
1
2
<
12
17
(c)
1
2
<
3
4
<
9
13
<
12
17
(d)
1
2
<
9
13
<
12
17
<
3
4
Q.
Find each of the following products:
(i) (x − 4)(x − 4)
(ii) (2x − 3y)(2x − 3y)
(iii)
3
4
x
-
5
6
y
3
4
x
-
5
6
y
(iv)
x
-
3
x
x
-
3
x
(v)
1
3
x
2
-
9
1
3
x
2
-
9
(vi)
1
2
y
2
-
1
3
y
1
2
y
2
-
1
3
y
Q.
Sum of the series
9
1
3
×
9
1
9
×
9
1
27
×
.
.
.
.
.
.
.
is equal to
Q.
What must be subtracted from 1713 to get a perfect square?
Q.
What is the remainder when
13
17
+
17
13
is divided by 10
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Introduction to Repeated Multiplication
MATHEMATICS
Watch in App
Explore more
Exponents in Fractions
Standard VII Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app