Question #341333

Determine the area of the given curves


1 . 𝑦2 = 2 𝑥 ; 𝑦 = 𝑥 − 4


2. 𝑦 = 𝑥 − 𝑥2 ; 𝑦 = − 𝑥


1
Expert's answer
2022-05-20T07:16:37-0400

1)  𝑦2 = 2 𝑥 ; 𝑦 = 𝑥 − 4

S=\int-24(y+4-y2/2)dy=(y2/2+4y-y3/6)\mid-24=8+16-64/6-2+8-8/6=30-32/3-4/3=30-36/3=30-12=18



2) 𝑦 = 𝑥 − 𝑥2 ; 𝑦 = − 𝑥

S=\int02(x-x2+x)dx=\int02(2x-x2) dx=(x2-x3/3)\mid02=4-8/3=4/3




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