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Byju's Answer
Standard IX
Mathematics
Surds
√82× 7 ×52-17...
Question
√
(
8
)
2
×
7
×
(
5
)
2
−
175
=
?
A
105
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B
95
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C
115
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D
125
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E
None of these
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Solution
The correct option is
A
105
Here,
√
(
8
)
2
×
7
×
(
5
)
2
−
175
=
?
⇒
√
64
×
7
×
25
−
175
=
?
⇒
√
11200
−
175
=
?
⇒
=
√
11025
=
105
Suggest Corrections
0
Similar questions
Q.
Factorise using suitable identity:
(
a
−
5
)
2
−
(
a
−
8
)
2
Q.
The number of non-zero terms in the expansion of
(
√
7
+
1
)
75
−
(
√
7
−
1
)
75
is
Q.
If
36
×
92
=
9623
;
25
×
82
=
8522
;
68
×
75
=
7856
, then
47
×
52
=
?
Q.
If
84
⊕
72
=
45
;
63
⊕
41
=
33
,
25
⊕
52
=
33
, then
94
⊕
82
=
?
Q.
1
2
+
2
2
−
3
2
+
4
2
+
5
2
−
6
2
+
7
2
+
8
2
−
9
2
+
.
.
.
.
to
3
n
terms.
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