Math, asked by nidhima32, 3 months ago

(4+√5)^2 simply using laws of exponent​

Answers

Answered by praneeth61
1

Answer:

21+8√5

Step-by-step explanation:

(4+√5)²

By using (a+b)²=a²+2ab+b² formula

=> (4)²+(2)(4)(√5)+(√5)²

=> 16+8√5+5

=> 21+8√5

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