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Byju's Answer
Standard XII
Mathematics
Definition of Relations
Find the valu...
Question
Find the value of
p
+
2
q
+
3
r
when
p
=
1
,
q
=
5
and
r
=
2
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Solution
By substituting the value of
p
=
1
,
q
=
5
and
r
=
2
in
p
+
2
q
+
3
r
we get
p
+
2
q
+
3
r
=
1
+
2
×
5
+
3
×
2
=
1
+
10
+
6
=
17
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0
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