(7a - 8b) × (7a - 8b) = (?)

Given: (7a - 8b) × (7a - 8b) 

To find: We have to find the value of (7a - 8b) × (7a - 8b) 

Solution: 

(7a - 8b) × (7a - 8b) 

= (7a - 8b)²

= (7a)² - 2(7a)(8b) + (8b)²

= 49a² - 112ab + 64b²

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Updated on: 10-Oct-2022

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