1.

If the liney = x +k touches theellipse 9x^(2) + 16y^(2) = 144, then (i) k = 5 only (ii) k = - 5 only (iii) k = 5, - 5 (iv) none of these

Answer»

K = 5 only
k = - 5 only
k = 5, - 5
NONE of these

ANSWER :C


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