What is the value of D, for the simultaneous
equations 3x + 2y + 11 = 0 and 7x - 4y =9?
(A) 26 (B) - 26 (C) 62 (D) - 62
right answer :-
(a).-26
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Answer:
the value of determinant of equations is 3(-4) - 2(7) = - 26
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