Math, asked by iyershabrish, 9 months ago

find square of 3+2root5

Answers

Answered by sharvanikulkarni

0

Step-by-step explanation:

(3+2√5)²

according to rule

(a+b)²=a²+2ab+b²

(3)²+2(3)(2√5)+(2√5)²

9+12√5+(4*5)

9+12√5+20

29+12√5

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