Medium Math Class 9 Level 5

What is obtained after rationalizing 1/(√11 - √7)?

1/(√11 - √7) का हर परिमेय करने पर क्या मिलेगा?

A) (√11 + √7)/4 / (√11 + √7)/4 B) (√11 - √7)/4 / (√11 - √7)/4 C) √11 + √7 / √11 + √7 D) 4/(√11 + √7) / 4/(√11 + √7)
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Correct Answer

A. (√11 + √7)/4 / (√11 + √7)/4

Explanation

Multiplying by the conjugate makes the denominator 11 - 7 = 4.

संयुग्मी से गुणा करने पर हर 11 - 7 = 4 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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