Home
Class 12
MATHS
If A=[(a^2+b^2,b^2+c^2),(a^2+c^2,a^2+b^2...

If `A=[(a^2+b^2,b^2+c^2),(a^2+c^2,a^2+b^2)]`and`B=[(2ab,2bc),(-2ac,-2ab)]` then the value of A-B is

A

`[((a+b)^2,(b+c)^2),((a-c)^2,(a-b)^2)]`

B

`[((a-b)^2,(b-c)^2),((a+c)^2,(a+b)^2)]`

C

`[((a-b)^2,(b+c)^2),((a-c)^2,(a+b)^2)]`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

If A=[(a^(2),ab,ac),(ab,b^(2),bc),(ac,bc,c^(2))] "and B"= [(0,c,-b),(-c,0,a),(b,-a,0)] then the product AB is equal to

If a^(2) + b^(2) + c^(2) = 0 and |(b^(2) + c^(2) ,ab,ac),(ab,c^(2) + a^(2),bc),(ac,bc,a^(2) + b^(2))| = k a^(2) b^(2) c^(2) , then the value of k is

Compute the following: [[a^2+b^2, b^2+c^2],[a^2+c^2, a^2+b^2]] + [[2ab,2bc],[-2ac,-2ab]]

If |{:(bc-a^(2),ac-b^(2),ab-c^(2)),(ac-b^(2),ab-c^(2),bc-a^(2)),(ab-c^(2),bc-a^(2),ac-b^(2)):}|=k(a^(3)+b^(3)+c^(3)-3abc)^(l) then the value of (k, l) is

If A=[(-a^2, ab, ac),(ab,-b^2,bc),(ac,bc,-c^2)] then det A is equal to (A) 4abc (B) 4a^2b^2c^2 (C) -4abc (D) -4a^2b^2c^2

If the given vectors (-bc,b^2+bc,c^2+bc)(a^2+ac,-ac,c^2+ac) and (a^2+ab,b^2+ab,-ab) are coplanar, where none of a,b and c is zero then