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Standard VIII
Mathematics
Question
Subtract 2nd from 1st :
4
a
b
+
81
b
2
+
13
a
2
;
5
a
c
+
91
b
2
+
14
a
2
Open in App
Solution
Verified by Toppr
4
a
b
+
81
b
2
+
13
a
2
−
[
(
5
a
b
)
+
97
b
2
+
14
a
2
]
4
a
b
+
81
b
2
+
13
a
2
−
5
a
b
+
97
b
2
+
14
a
2
4
a
b
−
5
a
b
+
81
b
2
−
97
b
2
+
13
a
2
−
14
a
2
−
a
b
−
16
b
2
−
a
2
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Similar Questions
Q1
Subtract 2nd from 1st :
4
a
b
+
81
b
2
+
13
a
2
;
5
a
c
+
91
b
2
+
14
a
2
View Solution
Q2
State True or False:
On subtracting
a
2
+
a
b
+
b
2
from
4
a
2
−
3
a
b
+
2
b
2
, the answer is
3
a
2
−
4
a
b
+
b
2
.
View Solution
Q3
The factors of 8a
3
+ b
3
− 6ab + 1 are
(a) (2a + b − 1) (4a
2
+ b
2
+ 1 − 3ab − 2a)
(b) (2a − b + 1) (4a
2
+ b
2
− 4ab + 1 − 2a + b)
(c) (2a + b + 1) (4a
2
+ b
2
+ 1 −2ab − b − 2a)
(d) (2a − 1 + b) (4a
2
+ 1 − 4a − b − 2ab)