यदि (x=2) और (y=1), तो (2(x+y)2-3xy) का सही मान क्या है?
If (x=2) and (y=1), what is the correct value of (2(x+y)2-3xy)?
Explanation opens after your attempt
A. (12)
Concept
(2(x+y)2-3xy=2(3)2-3(2)(1)=18-6=12). Evaluate brackets and squares first.
Why this answer is correct
The correct answer is A. (12). (2(x+y)2-3xy=2(3)2-3(2)(1)=18-6=12). Evaluate brackets and squares first.
Exam Tip
(2(x+y)2-3xy=2(3)2-3(2)(1)=18-6=12)। कोष्ठक और वर्ग पहले निकालें।
Login to save your score, XP, coins and progress.
