Use the identity and find the square of 189. (a – b) 2 = a 2 – 2ab + b 2

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Harshit Singh · Answer

Dear Student 189 = (200 &ndash; 11)^2 = 40000 &ndash; 2 x 200 x 11 + 11^2 = 40000 &ndash; 4400 + 121 = 35721 Thanks

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Use the identity and find the square of 189. (a – b) 2 = a 2 – 2ab + b 2

Use the identity and find the square of 189.
(a – b)2 = a2 – 2ab + b2

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Use the identity and find the square of 189. (a – b) 2 = a 2 – 2ab + b 2

Use the identity and find the square of 189.(a – b)2 = a2 – 2ab + b2

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Use the identity and find the square of 189.
(a – b)2 = a2 – 2ab + b2