Question
Maths
Oct. 2, 2019, 3:04 a.m.
Answer
Prove using the vector method that the sum of the squares of the diagonals of a parallelogram is equal to the sum of the squares of its sides.
question 11
If an=9-5n forms an A.P, then find its first term, common difference and sum of its n terms.
If an=9-5n forms an A.P, then find its first term, common difference and sum of its n terms.
If an=9-5n forms an A.P, then find its first term, common difference and sum of its n terms.
Find the area of rectangle of the rectangle with the following pairs of monomials as their length and breath 2m, n