Question

class

क्लास नाइंथ

maths

surface Area of a cuboid =2(lb+bh+hl)​

Answer 1

Step-by-step explanation:

x

2

−x+1

x+1

x−1

x+1

∣

∣

∣

∣

∣

∣

=(x

2

−x+1)(x+1)−(x−1)(x+1)=x

3

+1−(x

2

−1)=x

3

−x

2

+2