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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Krishna shukla
why did you take this step B²-4AC≥0 please explain if x is real then how it is implying this...?
x is real
x is real so what 4x²+2x+4 here x is also real but it is not implying that x has real roots i mean hiw do you know that the equation has real roots...?