Prove that ar= 3/7 ac of parallelogram , ABCD is a parallelogram in the giv...

ABCD is a parallelogram in the given figure, AB is divided at P and CD and Q so that AP:PB=3:2 and CQ:QD=4:1. If PQ meets AC at R, prove that AR= 3/7 AC. Ans:    ΔAPR ∼ Δ

Algebra, simple shapes

simple shapes

Numerical methods, lecturer notes

lecturer notes

Arithmetic sequences and series,

Lognormal distribution, The Lognormal Distribution If ln(X) is a normal...

The Lognormal Distribution If ln(X) is a normally distributed random variable, then X is said to be a lognormal variable. If P1, P2, P3, ... are the prices of a scrip in per

#title.mathematical induction, 1+2+3+.....+n=1/2n(n+1)

1+2+3+.....+n=1/2n(n+1)

Differential equations, particular solution of equation y''''-3y''-4y=2sinx...

particular solution of equation y''''-3y''-4y=2sinx

Progressions, The sum of the series 1+1/2+1/4,..is

The sum of the series 1+1/2+1/4,..is

Find the length of the second diagonal, Find the length of the second diago...

Find the length of the second diagonal of a rhombus, whose side is 5cm and one of the diagonals is 6cm.

Determine the area of the sail, If a triangular sail has a horizontal lengt...

If a triangular sail has a horizontal length of 30 ft and a vertical height of 83 ft , Determine the area of the sail? a. 1,245 ft 2 b. 1,155 ft 2 c. 201 ft 2 d. 2,4