Question

if a=3+2√2 then find 1/a​

Answer 1

Answer:

if a=3+2√2 then 1/a is

$1 \div (3 + 2 \sqrt{2}$

Step-by-step explanation:

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Answer 2

Answer:

given, a= 3+2√2

now, 1/a= 1/(3+2√2)

= 1(3-2√2)/(3+2√2)(3-2√2)

= (3-2√2)/(3)2-(2√2)2

= (3-2√2)/(9-8)

= 3-2√2/1

= 3-2√2

the answer is= 3-2√2