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Byju's Answer
Standard X
Mathematics
Multiplication of Matrices
If a and b ar...
Question
If a and b are positive integers such that a^3-b^3=61,then the value of ab i
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Q.
If
a
and
b
are positive integers such that
a
b
=
125
,
b
≠
1
,
then
(
a
−
b
)
a
+
b
−
4
is equal to:
Q.
If
a
and
b
are positive integers such that
N
=
(
a
+
i
b
)
3
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i
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is
Q.
Let
a
,
b
,
c
be positive integers such that
a
divides
b
3
,
b
divides
c
3
, and
c
divides
a
3
. Prove that
a
b
c
divides
(
a
+
b
+
c
)
13
.
Q.
If
a
and
b
are positive integers,
f
is a function defined for positive numbers and attains only positive values such that
f
(
y
f
(
x
)
)
=
x
a
y
b
, then
Q.
If a, b and c are positive real numbers such that
a
3
+
b
3
8
+
c
3
27
=
1
2
a
b
c
then a : b : c is equal to
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