Class 11 Mathematics - Conic Sections - Standard equations and simple properties of a Parabola Hard Quiz

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ग्राफ \(y=(x-3)^2+2\) में रेखा \(x=3\) किस भूमिका में है?

In the graph \(y=(x-3)^2+2\), what role does the line \(x=3\) play?

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Correct Answer

A. सममिति की अक्षAxis of symmetry

Explanation

Simple Explanation

परवलय के शीर्ष रूप \(y=(x-h)^2+k\) में सममिति की अक्ष \(x=h\) होती है। यहाँ \(h=3\), इसलिए \(x=3\) सममिति की अक्ष है। यह रेखा परवलय को उसके शीर्ष \((3,2)\) से गुजरते हुए दो समान दर्पण-सममित भागों में बाँटती है। ध्यान रखें: \(x=3\) ऊर्ध्वाधर असिम्पटोट नहीं, बल्कि इस परवलय की सममिति अक्ष है। / For a parabola in vertex form \(y=(x-h)^2+k\), the axis of symmetry is \(x=h\). Here, \(h=3\), so \(x=3\) is the axis of symmetry. It passes through the vertex \((3,2)\) and divides the parabola into two mirror-image halves. Exam tip: in \(y=(x-h)^2+k\), read the axis directly as \(x=h\); it is not an asymptote.

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