यदि एक आयत की लंबाई \(5+\sqrt{11}\) और चौड़ाई \(5-\sqrt{11}\) है तो क्षेत्रफल क्या होगा?

If a rectangle has length \(5+\sqrt{11}\) and breadth \(5-\sqrt{11}\), what will be its area?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (14)

Step 1

Concept

Area is (\(5+\sqrt{11}\)\(5-\sqrt{11}\)=25-11=14). Multiplying conjugate dimensions can give a rational area.

Step 2

Why this answer is correct

The correct answer is A. (14). Area is (\(5+\sqrt{11}\)\(5-\sqrt{11}\)=25-11=14). Multiplying conjugate dimensions can give a rational area.

Step 3

Exam Tip

क्षेत्रफल (\(5+\sqrt{11}\)\(5-\sqrt{11}\)=25-11=14) है। संयुग्मी आयामों का गुणन परिमेय क्षेत्रफल दे सकता है।

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यदि एक आयत की लंबाई \(5+\sqrt{11}\) और चौड़ाई \(5-\sqrt{11}\) है तो क्षेत्रफल क्या होगा? / If a rectangle has length \(5+\sqrt{11}\) and breadth \(5-\sqrt{11}\), what will be its area?

Correct Answer: A. (14). Explanation: क्षेत्रफल (\(5+\sqrt{11}\)\(5-\sqrt{11}\)=25-11=14) है। संयुग्मी आयामों का गुणन परिमेय क्षेत्रफल दे सकता है। / Area is (\(5+\sqrt{11}\)\(5-\sqrt{11}\)=25-11=14). Multiplying conjugate dimensions can give a rational area.

Which concept should I revise for this Mathematics MCQ?

Area is (\(5+\sqrt{11}\)\(5-\sqrt{11}\)=25-11=14). Multiplying conjugate dimensions can give a rational area.

What exam hint can help solve this Mathematics question?

क्षेत्रफल (\(5+\sqrt{11}\)\(5-\sqrt{11}\)=25-11=14) है। संयुग्मी आयामों का गुणन परिमेय क्षेत्रफल दे सकता है।