Math, asked by riyara679, 1 year ago

plz find the attachment for the question. ​

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Answers

Answered by gaokarandeshlap8o5y4
0

Answer:

Step-by-step explanation:

a=5+2√6

1/a = 1/(5+2√6)

After rationalizing

1/a = (5-2√6)/(5²-(2√6)²)

= (5-2√6)/(25-24)

= 5-2√6

a² + 1/a² = (5+2√6)² + (5-2√6)²

=(25+20√6+24)+(25-20√6+24)

=49+20√6+49-20√6

=98

HOPE THIS IS HELPFUL TO YOU

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