Math, asked by bhartivijay500, 8 months ago

12. If 3x + 5y = 11 and xy = 2, find the value of 9x2 +
25y?
19

Answers

Answered by rohitrs0908

1

Answer:

Step-by-step explanation:

(3x+5y)² = 9x² + 25y² + 2xy

(11)² = 9x² + 25y² + 2*2

117 = 9x² + 25y² + 4

9x² + 25y² = 117.

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