Question

pls tell the ans and pls pls pls​

Answer 1

Step-by-step explanation:

hope it helps u

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Answer 2

Step-by-step explanation:

a² + b² = (a+b)² -2ab

{(a+b) ²= a² + b² +2ab}

as a+b= 9 and ab = 4

subsituting the value we get

a²+b²= (9)² -2(4)

= 81 -8

=73

Hope this would help you

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Palak♡´･ᴗ･`♡

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