Question
If the roots of the equation x² + 5x + k = 0 are real
and equal, find the value of k.Solution
For real and equal roots, the discriminant must be zero: D = b² - 4ac = 0 5² - 4(1)(k) = 0. Thus, k = 25/4 = 6.25. Correct answer : a) 6.25
The mineral fraction of the soil representsÂ
Which of the following nutrient plays key role in sugar synthesis in Sugarcane?
Carbonation weathering involves reactions with:
Training of Rural Youth for Self Employment (TRYSEM) was launched in the year
Ricinine, a toxic alkaloid, which can serve as a biomarker of ricin poisoning, is generally found in which of the following plants?Â
A large farming estate where a single cash crop is grown primarily for sale and export is called a:
Match List-I with List-II and select the correct answer using the codes given below the lists.
What is a common emission from combustion engines used in transportation?
Green manure crop, which produces nodules, both on stem and roots is
Kalyanpur Baramasi is cultivar of:Â
