Question

The difference between two numbers is 4 and the difference between their squares is 128. what is the larger number?

Answer 1

Hello friend....☺☺

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Answer 2

heya...!!!!


let the no. be x
AND another be ,(x + 4)

now,

(x + 4)² - x² = 128

=> x² + 16 + 8x - x² = 128

=> 8x = 128 - 16

=> 8x = 112

=> x = 14

and the largest no. be (14 + 4) = 18