If a - b = 0 , `a^2 + b^2 = 1` , then find `a^3 - b^3`

If (3a+2b) : (5a+7b) = 1:2 , then find a : b.

If A^T=[3 4-1 2 0 1] and B=[-1 2 1 1 2 3], then find A^T- B^T

If a : b =2 : 3 ," then find "(3a - b) : ( 2a+ 3b) .

If a + b + c = 2, 1/a+1/b+1/c=0, ac=4/b and a^3+b^3+c^3=28 , find the value of a^2+b^2+c^2 . यदि a + b + c = 2, 1/a+1/b+1/c=0, ac=4/b तथा a^3+b^3+c^3=28 है, तो a^2+b^2+c^2 का मान ज्ञात कीजि ए।

if A[{:(1 " "3),(-2" " 4):}] and B=[{:(3" "0),(-1" "2):}] , then find 5A - 2B .

If A = a [{:(-1, 0), (-1, 2):}]"nd B "= [{:(3, 2), (-1, 0):}], " then find "B^(-1), A^(-1).

If Aprime=[-2 3 1 2] and B=[-1 0 1 2] , then find (A+2B)^(prime) .

if a=3,b=0,c=2 and d=1 ,find the vale 3a+3b-6c+4d

If A = [ (1) , (2), (3)] and B = [ (3, 0, -2)] , find AB .

If A=[[1,2,-3] , [5,0,2] , [1,-1,1]] and B=[[3,-1,2] , [4,2,5] , [2,0,3]] then find matrix C such that A+2C=B