Q.

If  A=2x+13y0y25yand  B=x+3y2+206 are equal matrices then  (x,y)=___

Moderate

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a

(1,1)

b

(2,2)

c

(0,1)

d

(2,1)

answer is B.

(Detailed Solution Below)

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Detailed Solution

A=B2x+13y0y25y=x+3y2+20       62x+1=x+3x=2y2+2=3yy23y+2=0(y1)(y2)=0y=1(or)2(i)y25y=6y25y+6=0(y2)(y3)=0y=2(or)3(ii)From (i) and (ii)y=2(x,y)=(2,2)

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