when 2ab-5cd = 7 and abcd=1 then find the value of 4a^2b^2 + 25c^2d^2
You asked:
Given the following equations: \[\begin{aligned}2 a b - 5 c d &= 7\\ a b c d &= 1\end{aligned}\] Evaluate \(4 \cdot {a}^{2} \cdot {b}^{2} + 25 \cdot {c}^{2} \cdot {d}^{2}\).
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