Math, asked by DoubtQueen, 7 months ago

​If (4x²-3y²) : (2x²+5y²) = 12:19,
find x : y.​

Answers

Answered by intelligence16
1

Step-by-step explanation:

(4x² - 3y²) : (2x² + 5y²) = 12:19

19(4x² - 3y²) = 12(2x² + 5y²)

76x² - 57y² = 24x² + 60y²

52x² = 117y²

x²/y² = 117/52

x²/y² = 9/4

x/y = ±3/2

x : y = 3 : 2

or

x : y = -3 : 2

Answered by tusyaylk
0

आप तो क्रॉस मल्टीप्लिकेशन करना है और आंसर आएगा

Attachments:
Similar questions