Question

If the value of 5x + 4y = 15 and xy = 2 . Then find the value of 25x² + 16y²?

Solution with step by step explanation...... ​

Answer 1

Answer:

${(5x + 4y)}^{2} = 225 \\ {25x}^{2} + {16y}^{2} = 225 - 40xy \\ {25x}^{2} + {16y}^{2} = 225 - 80 \\ {25x}^{2} + {16y}^{2} = 145$

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Answer 2

Answer:

hello.

Step-by-step explanation:

Whats your name?

Which class do you study.

Edit :- Ab kuch to bolo.