Question

(61)^2-(69)^2 /130 slove using suitable identity​

Answer 1

Answer:

101 )² = ( 100 + 1 )² = ( 100 ) ² + 2 × 100 × 1 + 1² = 10000 + 200 + 1 = 10201. I hope this helps you. : ).

Answer 2

Answer:

= -29

use the identity (a+b)(a-b)=a²- b²

Step-by-step explanation:

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