Question

(4-5)^2 solve this using identity​

Answer 1

Answer:

$( {4 - 5})^{2} \\ using \: identity \: {a}^{2} - 2ab + {b}^{2} \\ {4}^{2} - 2(4)(5) + {5}^{2} \\ = 16 - 40 + 25 \\ = 1$

Answer 2

Answer:

( 4 - 5 )²

( 4 )² + ( 5 )² - 2 ( 4 × 5 )

16 + 25 - 40

41 - 40

1

Verify

( 4 - 5 )² = ( - 1 )² =1

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