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Standard IX
Mathematics
Multiplication of Surds
Question
Simplify :
2
√
2
+
8
√
8
.3
√
18
.
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Solution
Verified by Toppr
2
√
2
+
8
√
8
×
3
√
18
=
2
√
2
+
8
√
2
×
2
×
2
×
√
3
×
3
×
2
=
2
√
2
+
(
8
×
2
√
2
)
×
(
3
×
3
√
2
)
=
2
√
2
+
16
√
2
×
9
√
2
=
2
√
2
+
144
×
2
=
2
√
2
+
288
, which is the simplified answer.
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Similar Questions
Q1
Simplify :
2
√
2
+
8
√
8
.3
√
18
.
View Solution
Q2
Simplify:
2
2
8
÷
5
9
−
6
18
×
8
8
8
+
9
2
18
View Solution
Q3
simplify:
18
√
3
12
−
6
√
2
+
3
√
2
−
2
√
3
8
−
√
6
−
12
√
2
+
4
√
6
8
−
√
12
View Solution
Q4
Simplify the following expressions:
(14) [18 + 5(7 – 3)] + 64 ÷ [20 – (8 × 2)]
View Solution
Q5
When simplified
(
256
)
-
(
4
-
3
/
2
)
is
(a) 8
(b)
1
8
(c) 2
(d)
1
2