Math, asked by tanvi1165, 11 months ago

evaluate using expansion of (a+b)² or (a-b) ² : (9.4)²

Answers

Answered by ipsitasangwan

7

Answer: 88.36....

The whole method is in the attachment...

Attachments:

tanvi1165: thanks

ipsitasangwan: Welcome

Answered by nischhal0

2

Step-by-step explanation:

(9.4)^2=(10-0.6)^2=(10)^2+(0.6)^2-2×10×0.6

=100+0.36-12=88+0.36=88.36

tanvi1165: thanks

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