Math, asked by ritadebnath184, 1 month ago

IF
a =
3+√5
2
Find a² + 1
92​

Answers

Answered by namansangal18
3

this is the answer of your question

Attachments:
Answered by ramnathprabhu84
0

Step-by-step explanation:

a^2 = (3+root 5)^2

=3^2 +root5^2 + 2×3×root5

=9+5+6root5

a^2 + 1= 14+6root5+1

=15+6root5

sorry for using root instead of symbol because there is no root symbol in by keyboard

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