If one of the roots of the quadratic equation x2+mx+24=0 is 1.5, then what is the value of m?
Solution
Correct Answer: Option C
যেহতু 1.5 সমীকরণটির একটি মূল সেহেতু (1.5)2 + 1.5m + 24 = 0
⇒ 2.25 + 1.5m + 24 =0
⇒ m = - 26.25/1.5
⇒ m = - 17.5
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