Substitute

, so that

. The integral is then equivalent to

Then transforming back to

gives
Answer:
10 x 4
Step-by-step explanation:
what factors are there for 40?
1, 2, 5, 8, 10, 20, 40
A rectangle has 2 equal long sides and 2 equal short sides. The area is the short times the long.
10 plus 10 and 4 plus 4 equals 28. 4 x 10 equals 40.
Answer:
a) =6m
b) =18np
Step-by-step explanation:
a)5m-m-m+3m=6m
b)3*6=18np
<YWX=30°; YX=80÷2=40
WX²+40²=80²
WX²=6,400-1,600
WX=√4,800=√(4×4×4×25×3)=40√3