Math, asked by lilmag3719, 8 months ago

Find the square of 405 using identity (a+b)= a2 +2ab+b2 the no is 510

Answers

Answered by Howzat334455

2

Answer:

Can you write this question properly

Then i can help you

Answered by Anonymous

5

Step-by-step explanation:

405

(400+5)

400^2+(2×400×5)+5^2

160000+4000+25

164025

Hope it helped you dear

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