Q. 425.0( 3 Votes )

Solve the followi

Answer :

Operating C1C1+C2+C3



Taking (x+9) common from C1



Operating R1R1-R3, R2R2-R3



0= (x+9)(0-x+x2+1-x)


0=(x+9)(x2-2x+1)


0=(x+9)(x-1)2


Either x+9=0 or x-1=0


x=-9, x=1


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