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If the system of linear equations 2x + y - z = 7 x - 3y + 2z = 1 x + 4y + dz = k, where 8, K∈R

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If the system of linear equations

2x + y - z = 7

x - 3y + 2z = 1

x + 4y + dz = k, where 8, K∈R

has infinitely many solutions, then 8 + k is equal
to:

(A) -3

(B) 3

(C) 6

(D) 9

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1 Answer

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Best answer

Correct option is (B) 3

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