यदि (u+v=11) और (uv=28), तो \(u^2+v^2\) का मान क्या होगा?

If (u+v=11) and (uv=28), what is the value of \(u^2+v^2\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (65)सही मान

Step 1

Concept

(u-2+v-2=(u+v)2-2uv=121-56=65). In exams subtract (2uv) from the square of the sum.

Step 2

Why this answer is correct

The correct answer is A. (65) / सही मान. (u-2+v-2=(u+v)2-2uv=121-56=65). In exams subtract (2uv) from the square of the sum.

Step 3

Exam Tip

(u-2+v-2=(u+v)2-2uv=121-56=65) है। परीक्षा में योग के वर्ग से (2uv) घटाएं।

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Mathematics Answer, Explanation and Revision Hints

यदि (u+v=11) और (uv=28), तो \(u^2+v^2\) का मान क्या होगा? / If (u+v=11) and (uv=28), what is the value of \(u^2+v^2\)?

Correct Answer: A. (65) / सही मान. Explanation: (u-2+v-2=(u+v)2-2uv=121-56=65) है। परीक्षा में योग के वर्ग से (2uv) घटाएं। / (u-2+v-2=(u+v)2-2uv=121-56=65). In exams subtract (2uv) from the square of the sum.

Which concept should I revise for this Mathematics MCQ?

(u-2+v-2=(u+v)2-2uv=121-56=65). In exams subtract (2uv) from the square of the sum.

What exam hint can help solve this Mathematics question?

(u-2+v-2=(u+v)2-2uv=121-56=65) है। परीक्षा में योग के वर्ग से (2uv) घटाएं।