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If the line 3ax + 5y + a - 2 = 0 passes through the point ( 1, 4), then value of a is(A) 9(B) 7(C) −9(D) −7 |
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Answer» Correct option (A) Explanation : Since the line passes through ( 1, 4), we have 3a(-1) + 5(4) + a - 2 = 0 -2a + 18 = 0 Hence, a = 9 and the line is 27x + 5y + 7 = 0. |
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