Question

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The least Integral value of 'a' for which the curves
$y = 2ax + 1$
and
$y = (a - 6) {x}^{2} - 2$
do not intersect is?
A)-6
B)-5
C)3
D)2

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Answer 1

Answer:

D 2

Step-by-step explanation:

Put y = 2ax +1 in y=(a-6)x2 – 2

we get,

(a-6)x2 – 2 – 2ax – 1 =0

(a-6)x^2 – 2ax – 3 = 0

Its D

.i.e roots for x values should be imaginary.

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