Math, asked by roman6359, 1 year ago

please solve questions no. 13

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Answered by haimz

2

Answer:

a^2 - b^2 = (a+b )(a-b)

Step-by-step explanation:

(0.789)^2-(0.211)^2

(0.789+0.211)(0.789-0.211)

=1×0.578=

0.578

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