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If the equation 9x2 + 6kx + 4 = 0 has equal roots then k = ?(a) 2 or 0(b) −2 or 0(c) 2 or −2(d) 0 only |
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Answer» If the equation 9x2 + 6kx + 4 = 0 has equal roots then k = ? (a) 2 or 0 (b) −2 or 0 (c) 2 or −2 (d) 0 only |
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