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Problem
Problem
sin
x
+
cos
x
=
y
2
−
y
+
a
\sin x + \cos x = y^2 - y + a
sin
x
+
cos
x
=
y
2
−
y
+
a
has no value of
x
x
x
for any
y
y
y
, if
a
a
a
belongs to which interval? a.
(
0
,
3
)
(0, \sqrt{3})
(
0
,
3
)
b.
(
−
3
,
0
)
(-\sqrt{3}, 0)
(
−
3
,
0
)
c.
(
−
∞
,
−
3
)
(-\infty, -\sqrt{3})
(
−
∞
,
−
3
)
d.
(
3
,
∞
)
(\sqrt{3}, \infty)
(
3
,
∞
)
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