Find a and b if
a+2b+2ai= 4+6i

Find a and b such theat 2a+i4b and 2i represent the same complex number.

In each of the fowllowing cases, find a and b (i) (2a+b,a-b)=(8,3) (ii) ((a)/(4),a-2b)=(0,6+b)

Find matrices A and B, if 2A - B =[{:(6,-6,0),(-4,2,1):}] and A-2B =[{:(3,2,8),(-2,1,7):}]

Find the values of a and b if A=B , where A=[[a+4,3b],[8,-6]],B=[[2a+2,b^2+2],[8,b^2-56]]

Find the values of a and b, if A=B,where A=[{:(a+4,3b),(8,-6):}] "and" B=[{:(2a +2,b^(2)+2),(8,b^(2)-5b):}]

Find matrices A and B ,if 2A-B=[[6,-6,0],[-4,2,1]] and A-2B=[[3,2,8],[-2,1,-7]]

Find matrices A and B, if 2A-B=[{:(6,-6,0),(-4," "2,1):}]" and "2B+A=[{:(" "3,2," "5),(-2,1,-7):}].

If A=d i ag (2 -5 9) , B=d i ag (1 1 -4) and C=d i ag (-6 3 4) , find A-2B (ii) B+C-2A (iii) 2A+3B-5C

Find the value of ( i^2 + i^4 + i^6 + i^7 ) / ( 1 + i^2 + i^3 ) is ( a ) 1 - i ( b ) 1 + i ( c ) 2 - i ( d ) 2 + i

In the product of (2x^(2)+4x+7)(ax^(2)-4x-b), the coeffiecient of x^(4) is 6 and that of x is 4 .Find a and b.