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1. If one of the roots of the quadratic equation x^2+mx+24= 0 is x=1.5, then what is the value of m ?
- A. -22.5
- B. -22.5
- C. -22.5
- D. -22.5
Answer: Option B
Explanation:
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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