If the system of linear equation x+y+z=5...

If the system of linear equation x+y+z=5, x+2y+2z = 6, `x+3y + lambda z=mu, (lambda,mu in R)` has infinitely many solutions, then the value of `lambda + mu` is:

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VMC MODULES ENGLISH-MATRICES AND DETERMINANTS -JEE MAIN ARCHIVE

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