#3lineswhose

#3lineswhose eqns.are y=mx+c1,y=m2x+c2,y=m3x+c3 are conc. then prove m1(c2-c3)+m2(c3-c1)+m3(c1-c2)=0

Find the value of P so that the 3 lines2x+y-2=0 Px+2y-3=0&2x-y-3=0 may intersect at one pt

Find eqn of a line drawn |ar to the linex/4+y/6=1through the pt where it meets the y axis

If sinα+sinβ+sinγ=0=cosα+cosβ+cosγ then find cos(α-β)+cos( β-γ)+cos(γ-α)

If sinA=4sin(B+C)-1 and A+B+C=π thenA=

If u=√a²cos²θ+b²sin²θ+√a²sin²θ+b²cos²θ then find the diff. btw maximum and minimum value of u² #jee

#integrate #education #∫x³+3x+4/√x dx #maths

for what value of x the Matrix A=[1. -2. 3 1 2 1 x 2 3] is singular

#If #A #is #a #square #Matrix #such #that# # A²=I,then #find #(A-I)³+#(A+I)³-#7 #ncert #ncertmaths

if f(x)=[cosx -sinx 0 sinx cosx 0 0 0 1] showthat f(x).f(y)=f(x+y)#ncert #ncertsolutions #ncertmaths

check whether the relation r defined in the set a{1,2,3,4,5,6} as R = {(x,y) y is divisible by x is

Find the shortest distance b/w the lines whose vector eq. are r=(i+2j+3k)+λ(i-3j+2k),r=(4i+5j+6k)+μ.