यदि (a+b=8) और (ab=12), तो (4(a+b)-ab) का मान क्या होगा?

If (a+b=8) and (ab=12), what is the value of (4(a+b)-ab)?

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

D. (20)

Step 1

Concept

Substitute the given whole expressions directly. (4(8)-12=20).

Step 2

Why this answer is correct

The correct answer is D. (20). Substitute the given whole expressions directly. (4(8)-12=20).

Step 3

Exam Tip

दिए हुए पूरे व्यंजकों को सीधे रखें। (4(8)-12=20) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

यदि (a+b=8) और (ab=12), तो (4(a+b)-ab) का मान क्या होगा? / If (a+b=8) and (ab=12), what is the value of (4(a+b)-ab)?

Correct Answer: D. (20). Explanation: दिए हुए पूरे व्यंजकों को सीधे रखें। (4(8)-12=20) मिलता है। / Substitute the given whole expressions directly. (4(8)-12=20).

Which concept should I revise for this Mathematics MCQ?

Substitute the given whole expressions directly. (4(8)-12=20).

What exam hint can help solve this Mathematics question?

दिए हुए पूरे व्यंजकों को सीधे रखें। (4(8)-12=20) मिलता है।