Math, asked by Mrityunjaymaurya, 1 year ago

if x+ y = 13 and xy = 6¼ find x-y

Answers

Answered by viswabhargav

1

Since (x+y)²- (x-y)² =4xy

(x-y)² = (x+y)²- 4xy

= 13² - 4*25/4

x-y =√(169- 25)

~ 12

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