Math, asked by bishnupriyajena611, 11 months ago

If a+b=9,ab=4,find the value of a²+b²

Answers

Answered by Anonymous

38

hope this answer helps you

Attachments:

Answered by conjureroman

7

Answer:

a²+b²=73

Step-by-step explanation:

a+b=9

Squaring both the sides

=>a²+b²+2ab=81

Substituting value of 'ab' in equation

=>a²+b²+2*4=81

=>a²+b²=73

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