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Find the value of m so that the following equations have equal roots(i) 2x2 - mx +1 0(iii) 3x2-6x + m = 0All) mx2 + 3x-5=0(iv) 2x2 + mx-1-0/ |
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Answer» if equation have equal too then there should be b*b = 4ac ii) 3*3 = 4*m*(-5) 9 = -20m m = -9/20 iii) (-6)*(-6) = 4(3)(m) 36 = 12m m= 3 |
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