Math, asked by AlpanaMukhopadhyay28, 8 months ago

Q. 9, 11,12
No. 9 is urgent along with 11
I will mark brainliest please help me with these

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Answers

Answered by SOHAMNERURKAR
1

Step-by-step explanation:

11.x×x+5=84

x²=420

x=√420

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