Math, asked by mohdayan26008, 1 month ago

Find the square of 67 using(a-b) ² =a²-2ab+b²

Answers

Answered by honeyeee

4

Answer:

Step-by-step explanation:

67^2

Write it like

(70-3)^2

Now use formula

(70)^2 +(3)^2 -2(70)(3)

4900+9-420

4909-420

4489

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