Question

using suitable identity find the value of 115×125​

Answer 1

Answer:

in this we will use formula ( a+b)2 (a-b)2

Step-by-step explanation:

(120-5)2 (120+5)2

Answer 2

step by step :

115×125 we can write it as,

(120-5) (120+5), [a-b][a+b]=[a-b]^2

Then, (120-5) ^2=(14400-25) =14378.

I Hope it will be helpful for you.

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