Question

the value of 9x²+49y²=42xy when x = 15 and y = 3 is ______

Answer 1

$\huge\mathcal{Answer \ :-}$

$\mathsf{Given \ :-}$

$\mathsf\red{9x^2 + 49y^2 \ = \ 42xy}$

$\mathsf{x \ = \ 15 \ And \ y \ = \ 3}$

$\mathsf{Putting \ values, \ we \ get}$

$\mathsf{9(15)^2 + 49(3)^2 \ = \ 42(15)(3)}$

$\mathsf{2025 + 441 \ = \ 1890}$

$\mathsf{= \ 576}$

$\mathsf\green{The \ Correct \ Option \ is \ (B).}$

$\huge\mathbb{Hope \ this \ helps.}$

Answer 2

Answer:

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