If a=5+2√6 and b=1/a , then what will be the value of a2-b2 ?
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Step-by-step explanation:
a=5+2√6
b= 1/a
= 1/(5+2√6)
= 1/(5+2√6)× (5-2√6)/(5-2√6)
= (5-2√6)/{(5)²-!2√6)²}
= (5-2√6)/25-24
= 5-2√6
a=5+2√6 b= 5-2√6
a²-b²
(a+b)(a-b)
(5+2√6+5-2√6){5+2√6-(5-2√6)}
10(5+2√6 -5+2√6)
10(4√6)
40√6
....666....
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Answer:
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