maroyoussry13 maroyoussry13

06-07-2021
Mathematics

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Can you please tell me the answer step by step??

Can you please tell me the answer step by step class=

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ot7777777 ot7777777

06-07-2021

Answer:

a)4

Step-by-step explanation:

(a+b)²=43 eqn 1

(a²+b²)=35 eqn 2

solving eqn 2 by putting the value of (a+b)² by eqn 1

(a+b)²-2ab=35
43-2ab=35
-2ab=35-43
ab= -8/-2
ab =4

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