Question

a/5 +2=6 help plz lololololololol​

Answer 1

Answer:

a/5= 6-2

a/5=4

a=4/5

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

a = 5 + 2√6

b = 1/a

=1/( 5 + 2√6)

=(5 -2√6)/(5+2√6)(5 -2√6)

=(5 -2√6)/{5² -(2√6)²}

=(5 -2√6)/(25 -24)

=5 -2√6

now,

a² + b² = (a + b)² -2ab

=(5 +2√6 +5 -2√6)² -2(5 +2√6)(5 -2√6)

=(10)² -2(25 -24)

=100 -2

= 98

hence, a² + b² = 98

LOL Bhaiya

This Is answer