a+b = 5 এবং a-b = 3 হলে ab এর মান কত?
Solution
Correct Answer: Option C
ab = ((a+b)/2)2-((a-b)/2)2
= (5/2)2-(3/2)2
= 4
Practice More Questions on Our App!
Download our app for free and access thousands of MCQ questions with detailed solutions