Question

using suitable identity evaluate (35.4 )^2 -(14.6)^2​

Answer 1

Answer:

ANSWER IS 1040

Step-by-step explanation:

(35.4)² - (14.6)²

(35 + 0.4 )² - (14 + 0.6)²

SINCE 35² CAN BE EASILY OBTAINED BY ( 3* 4 + POST 25 )

1225 ((35²))  + 2 * 35 * 0.4 + (0.4)² - ( 196 + 2*14*0.6 + (0.6)² )

1253.16 - 213.16

= 1040

ANSWER IS

(35.4 ) ² - (14.6)² =

1040

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