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Asked by yadavbrajkishore678 | 03 Sep, 2018, 02:16: PM
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begin mathsize 16px style straight a space equals space fraction numerator square root of 5 space plus space 1 over denominator square root of 5 space minus 1 space end fraction space and space space straight b space equals space fraction numerator square root of 5 space minus space 1 over denominator square root of 5 space plus space 1 end fraction straight a over straight b equals space open parentheses square root of 5 space plus space 1 close parentheses squared over open parentheses square root of 5 space minus space 1 close parentheses squared space space space space space equals space fraction numerator 5 space plus space 2 square root of 5 space plus space 1 over denominator 5 space minus space 2 square root of 5 space plus space 1 end fraction space space space space space equals space fraction numerator 6 space plus space 2 square root of 5 space over denominator 6 space minus space 2 square root of 5 end fraction cross times space fraction numerator 6 space plus space 2 square root of 5 space over denominator 6 space minus space 2 square root of 5 end fraction...... rationalizing space the space denominator space space space space equals fraction numerator 36 space plus space 24 square root of 5 space plus space 20 over denominator 36 space minus space 20 end fraction space space space space equals fraction numerator 56 plus 24 square root of 5 over denominator 16 end fraction space equals space fraction numerator 7 plus 3 square root of 5 over denominator 2 end fraction...... left parenthesis 1 right parenthesis To space find colon space fraction numerator straight a squared space plus space ab space plus space straight b squared over denominator straight a squared space minus space ab space plus space straight b squared end fraction divide space numerator space and space denominator space by space straight b squared comma space we space get fraction numerator straight a squared space plus space ab space plus space straight b squared over denominator straight a squared space minus space ab space plus space straight b squared end fraction equals space fraction numerator space space begin display style straight a squared over straight b squared end style plus space begin display style straight a over straight b end style space plus 1 over denominator space straight a squared over straight b squared minus space straight a over straight b space plus 1 end fraction equals space fraction numerator begin display style open parentheses 7 plus 3 square root of 5 close parentheses squared over 4 end style plus fraction numerator 7 plus 3 square root of 5 over denominator 2 end fraction space plus space 1 over denominator open parentheses 7 plus 3 square root of 5 close parentheses squared over 4 minus fraction numerator 7 plus 3 square root of 5 over denominator 2 end fraction space plus space 1 end fraction equals fraction numerator open parentheses 7 plus 3 square root of 5 close parentheses squared plus space 2 open parentheses 7 plus 3 square root of 5 close parentheses plus space 4 over denominator open parentheses 7 plus 3 square root of 5 close parentheses squared minus space 2 open parentheses 7 plus 3 square root of 5 close parentheses plus space 4 end fraction equals fraction numerator 112 space plus space 48 square root of 5 over denominator 84 space plus space 36 square root of 5 end fraction Rationalize space the space denominator space by space multiplying space numerator space and space denominator space by space 84 space minus space 36 square root of 5. equals 4 over 3 space space space space space end style
Answered by Yasmeen Khan | 03 Sep, 2018, 03:17: PM

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CBSE 8 - Maths
9/16×4/12) +9/10×-3/9
Asked by gk9941740 | 23 Apr, 2024, 05:13: PM
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CBSE 8 - Maths
absolute value of product of the sum of 17/21 and 8/7 by their difference
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CBSE 8 - Maths
a 300million year old fossil of a cockroach was recently found in Ohio,america the ancient cockroach was 4right one upon two inches long while the modern cockroach is one upon two inches long how many times longer is the ancient cockroach than the modern cockroach
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Asked by hk1354035 | 20 Apr, 2024, 06:33: AM
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CBSE 8 - Maths
A 1 117 3 m long rope is cut into equal pieces measuring 1 7 3 m each. How many such small pieces are these?
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CBSE 8 - Maths
the price of 100 pens rs 500 whole 3/5 and price of 50 pencils is rs.100 whole 1/5.the price of 3 pethe price of 100 pens rs 500 whole 3/5 and price of 50 pencils is rs.100 whole 1/5.the price of 3 pens and 5 pencil, is
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CBSE 8 - Maths
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CBSE 8 - Maths
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CBSE 8 - Maths
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Asked by padmadandu1207 | 02 Apr, 2024, 10:25: PM
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CBSE 8 - Maths
a sum of money is kept at 5%p.అ compound intrest for అ period of 3 years. if the compound interest earned is ₹1261 , what is the sum of money invested?
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CBSE 8 - Maths
pls answer the 3rd one
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Asked by nainaadityathakur | 27 Mar, 2024, 10:33: AM
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