Умоляю!Срочно!ДЗ!!!!!!

Question

Умоляю!Срочно!ДЗ!!!!!!

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Answer 1

D=5c⁵
C=D²
C=(5c⁵)²

(3⁹*x⁹*3⁶*x¹²)/(3⁵*x¹⁵*3⁹*x⁴)=75
(3¹⁵*x²¹)/(3¹⁴*x¹⁹)=75
3x²=75
x²=25
x=√25
x=5