Home
Class 11
MATHS
Det Delta=|(sum a^2,sumab,sumab),(sumab...

Det `Delta=|(sum a^2,sumab,sumab),(sumab,suma^2,sumab),(sumab,sumab,suma^2)|`, If `Delta=0` then the value of `suma^2 + 2sum ab` is given by

Promotional Banner

Similar Questions

Explore conceptually related problems

Let ab=1,Delta=|{:(1+a^2-b^2, 2ab,-2b),(2ab,1-a^2+b^2, 2a),(2b,-2a,1-a^2-b^2):}| then the minimum value of Delta is :

Let ab=1,Delta=|{:(1+a^2-b^2, 2ab,-2b),(2ab,1-a^2+b^2, 2a),(2b,-2a,1-a^2-b^2):}| then the minimum value of Delta is :

Let ab=1,Delta=|{:(1+a^2-b^2, 2ab,-2b),(2ab,1-a^2+b^2, 2a),(2b,-2a,1-a^2-b^2):}| then the minimum value of Delta is :

If alpha,beta,gamma be the roots of ax^3+bx^2+cx+d=0 then find the value of suma^2 ,

If Delta ABC , show that sum (b+c) cos A = 2s .

If A is the area and 2s the sum of the sides of a triangle,then

Show that [suma^2 sin(B-C)]/sinA = 0