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Qn #617
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If the line $a^2 x + ay +1=0$, for some real number $a$, is normal to the curve $xy=1$ then
A.
$a<0$
B.
$$0<a<1$$
C.
$$a>0$$
D.
$$-1<a<1$$
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ā Question: If the line $a^2 x + ay +1=0$, for some real numbe... | TANCET Group Studies | Tancet Group Studies