Question

Answer 1

a: \(A=\dfrac{-1}{3}\cdot\dfrac{-2}{3}\cdot\dfrac{3}{2}\cdot x^2\cdot x\cdot x\cdot y\cdot y^3\cdot y^2=\dfrac{1}{3}x^4y^6\)

Hệ số là 1/3

Bậc là 10

b: \(P=\dfrac{1}{25}+3\cdot\dfrac{1}{5}\cdot\left(-1\right)+1=\dfrac{26}{25}-\dfrac{3}{5}=\dfrac{26}{25}-\dfrac{15}{25}=\dfrac{11}{25}\)