1.

Which of the following has two distinct real rootsx^+18=04x^+3x+22=03x^-x+4=0x^-10x-1=0​

Answer»

Answer:

4th equation has two distinct real roots i.e 5+root26 or 5-root26

Step-by-step explanation:

In 1ST equation, x^=-18 but x^ cannot be negative

In 2nd and 3rd CASE,    b^-4ac are SMALLER than 0. So they DONT have real roots.



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