The positive value of ‘k’ for which x2+kx+64=0 and x2-8x+k=0 will both have real roots is
a) 8 b) 4 c) 12 d) 16
Asked by arajeevshashank | 30th Jun, 2020, 05:00: PM
Given quadratic equations are
(i) x2 + kx + 64 = 0
(ii) x2 - 8x + k = 0
The equations has real roots when the discriminant is greater than or equal to 0.


Answered by Renu Varma | 1st Jul, 2020, 12:59: PM
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