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If ax + by = 1, px^2 + qy^2 - 1 = 0 have only one root then (a) a^2/p + b^2/q = 1

+3 votes
in JEE by kratos

If ax + by = 1, px2 + qy2 - 1 = 0 have only one root then

(a) a2/p + b2/q = 1

(b) x = - a/p

(c) x = b/q

(d) of these

1 Answer

+4 votes
by kratos
 
Best answer

The correct option (a) a2/p + b2/q = 1

Explanation:

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