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Byju's Answer
Standard XII
Mathematics
Definition of Vector
sinθ=12√xy+√y...
Question
sin
θ
=
1
2
(
√
x
y
+
√
y
x
)
necessarily implies-
A
x
>
y
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B
x
<
y
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C
x
=
y
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D
None of these
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Solution
The correct option is
B
x
=
y
√
x
y
+
√
y
x
≥
2
, equality holds only when
x
=
y
.
As
A
M
>
G
M
In the equation, L.H.S must be
≤
1
Hence, option C is correct.
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