Question
If a + b + c = 9 and ab + bc + ca = 20, then find the
value of a² + b² + c².Solution
Since, (a+b+c)² = a² + b² + c² +2(ab+bc+ca) So, a² + b² + c² = (9) ² - 2 x 20 = 81 - 40 = 41
When creating an Excel sheet for hostel inventory tracking, which function is best suited for calculating the total cost of multiple items based on quan...
Processor speed is typically measured in:
Which software enables OS communication with hardware?
In SQL, which clause is used for row filtering based on a condition?
Shortcut to insert a new worksheet in Excel is?
Which number system has base-8 and digits 0-7?
Which communication protocol is used to send emails?
The main directory of a disk is called the .… directory.
Which among the following Key is not found in normal computers / laptops?
Which of the following Acts provides initial legal framework for e-Governance in India?
Relevant for Exams:
