भुजा (5x+2y) वाले वर्ग के दृश्य मॉडल में कुल क्षेत्र क्या होगा?

What will be the total area in the visual model of a square with side (5x+2y)?

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

B. \(25x^2+20xy+4y^2\)

Step 1

Concept

The middle term is \(2\times5x\times2y=20xy\). Exam tip: double the product of the two side parts.

Step 2

Why this answer is correct

The correct answer is B. \(25x^2+20xy+4y^2\). The middle term is \(2\times5x\times2y=20xy\). Exam tip: double the product of the two side parts.

Step 3

Exam Tip

बीच का पद \(2\times5x\times2y=20xy\) है। परीक्षा में दोनों भुजा भागों का दोगुना गुणन करें।

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Mathematics Answer, Explanation and Revision Hints

भुजा (5x+2y) वाले वर्ग के दृश्य मॉडल में कुल क्षेत्र क्या होगा? / What will be the total area in the visual model of a square with side (5x+2y)?

Correct Answer: B. \(25x^2+20xy+4y^2\). Explanation: बीच का पद \(2\times5x\times2y=20xy\) है। परीक्षा में दोनों भुजा भागों का दोगुना गुणन करें। / The middle term is \(2\times5x\times2y=20xy\). Exam tip: double the product of the two side parts.

Which concept should I revise for this Mathematics MCQ?

The middle term is \(2\times5x\times2y=20xy\). Exam tip: double the product of the two side parts.

What exam hint can help solve this Mathematics question?

बीच का पद \(2\times5x\times2y=20xy\) है। परीक्षा में दोनों भुजा भागों का दोगुना गुणन करें।