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)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. (12)

Step 1

Concept

(2(x+y)2-3xy=2(3)2-3(2)(1)=18-6=12). Evaluate brackets and squares first.

Step 2

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.

Step 3

Exam Tip

(2(x+y)2-3xy=2(3)2-3(2)(1)=18-6=12)। कोष्ठक और वर्ग पहले निकालें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

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)?

Correct Answer: A. (12). Explanation: (2(x+y)2-3xy=2(3)2-3(2)(1)=18-6=12)। कोष्ठक और वर्ग पहले निकालें। / (2(x+y)2-3xy=2(3)2-3(2)(1)=18-6=12). Evaluate brackets and squares first.

Which concept should I revise for this Mathematics MCQ?

(2(x+y)2-3xy=2(3)2-3(2)(1)=18-6=12). Evaluate brackets and squares first.

What exam hint can help solve this Mathematics question?

(2(x+y)2-3xy=2(3)2-3(2)(1)=18-6=12)। कोष्ठक और वर्ग पहले निकालें।