Medium Math Class 9 Level 3

What is obtained after rationalizing 1/(√5 - √3)?

1/(√5 - √3) का हर परिमेय करने पर क्या मिलेगा?

A) (√5 + √3)/2 / (√5 + √3)/2 B) (√5 - √3)/2 / (√5 - √3)/2 C) √5 + √3 / √5 + √3 D) 2/(√5 + √3) / 2/(√5 + √3)
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Correct Answer

A. (√5 + √3)/2 / (√5 + √3)/2

Explanation

Multiplying by the conjugate makes the denominator 5 - 3 = 2.

हर में संयुग्मी से गुणा करने पर हर 5 - 3 = 2 हो जाता है।

Related Questions

Easy Math Class 10 Level 1

What is the area of a circle with radius 7 cm when π = 22/7?

7 सेमी त्रिज्या वाले वृत्त का क्षेत्रफल कितना होगा जब π = 22/7 हो?

A. 44 सेमी² / 44 cm² B. 77 सेमी² / 77 cm² C. 154 सेमी² / 154 cm² D. 308 सेमी² / 308 cm²
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