If α and β are the roots of the quadratic equation x² + kx – 15 = 0 such that α – β = 8, then what is the positive value of k?

Which one of the following statements is correct ?

Consider the following statements : 1. A frequency distribution condenses the data and reveals its…

In a frequency distribution having class intervals 0 – 10, 10 – 20, 20 –…

In a frequency distribution having class intervals 0 – 10, 10 – 20, 20 –…

In a frequency distribution having class intervals 0 – 10, 10 – 20, 20 –…