फलन (f(x)=\sqrt{x-2-2x+10}) की रेंज क्या है?

What is the range of (f(x)=\sqrt{x-2-2x+10})?

Explanation opens after your attempt
Correct Answer

A. \([3,\infty\))

Step 1

Concept

Inside, (x-2-2x+10=(x-1)2+9), so the minimum is (9). Taking square root gives the range \([3,\infty\)).

Step 2

Why this answer is correct

The correct answer is A. \([3,\infty\)). Inside, (x-2-2x+10=(x-1)2+9), so the minimum is (9). Taking square root gives the range \([3,\infty\)).

Step 3

Exam Tip

अंदर (x-2-2x+10=(x-1)2+9) है, इसलिए न्यूनतम (9) है। वर्गमूल लेने पर रेंज \([3,\infty\)) होगी।

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Mathematics Answer, Explanation and Revision Hints

फलन (f(x)=\sqrt{x-2-2x+10}) की रेंज क्या है? / What is the range of (f(x)=\sqrt{x-2-2x+10})?

Correct Answer: A. \([3,\infty\)). Explanation: अंदर (x-2-2x+10=(x-1)2+9) है, इसलिए न्यूनतम (9) है। वर्गमूल लेने पर रेंज \([3,\infty\)) होगी। / Inside, (x-2-2x+10=(x-1)2+9), so the minimum is (9). Taking square root gives the range \([3,\infty\)).

Which concept should I revise for this Mathematics MCQ?

Inside, (x-2-2x+10=(x-1)2+9), so the minimum is (9). Taking square root gives the range \([3,\infty\)).

What exam hint can help solve this Mathematics question?

अंदर (x-2-2x+10=(x-1)2+9) है, इसलिए न्यूनतम (9) है। वर्गमूल लेने पर रेंज \([3,\infty\)) होगी।