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If the equation 4x2 - 3kx + 1 = 0 has equal roots then k = ?
Given the equation 4x2 - 3kx + 1 = 0 has equal roots
For the given equation a = 4 b = - 3k c = 1
D = b2 - 4ac = 0
( - 3k)2 - 4.4.1 = 0
9k2 - 16 = 0
9k2 = 16
k2 = 16/9
Solve: