Question
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निर्देश : निम्नलिखित प्रश्नों के लिए निम्नलिखित पर विचार करें:
परवलय y2 = kx और रेखा x = k, जहाँ k > 0 है, द्वारा परिबद्ध क्षेत्रफल 4/3 वर्ग इकाई है।
k का मान क्या है?
Answer (Detailed Solution Below)
Detailed Solution
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दिया गया है:
परवलय y2 = kx और रेखा x = k, जहाँ k > 0, द्वारा परिबद्ध क्षेत्रफल 4/3 वर्ग इकाई है
परिबद्ध क्षेत्रफल = 4/3 वर्ग इकाई
=
⇒ 4/3 =
⇒1 = k2
⇒ k = ±1 (चूँकि k>0)
⇒ k = 1
∴ विकल्प (b) सही है।
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