Question

729×729-271×271 using suitable identities

Answer 1

Answer:

I hope it helps you. Check the attachment

Answer 2

Answer:

458000

Step-by-step explanation:

Using 3rd identity: (a+b)(a-b)=a²-b²

(729)²=729×729= a

(271)²=271×271= b

(729+271) (729-271)

(729+271)

= 1000

(729-271)

= 458

(1000) (458)

= 458000.

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