Question
Maths
June 16, 2018, 12:41 a.m.
Answer
To verify that the ratio of the areas of two similar triangle is equal to the ratio of the square of there corresponding sides
13. Find the mean of the following data Classes 4 − 8 8 − 12 12 − 16 16 − 20 20 − 24 No. of students 2 9 15 15 8
If a1,a2,a3.......,an be an A.Pof nonzero terms prove that1dividedby a1a2+1divided bya2a3+.....+1divededby an_1an=n-1dividedbya1an
