determine the value of 'a'if system of linear equation. 3x+2y=0 and 9x-ay-3=0 will represent parallel lines
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Answer:
- 6
Step-by-step explanation:
in parallel lines ,
a1 / a2 = b1 / b2
3 / 9 = 2 / -a
by cross multiplication ,
3 × - a = 9 × 2
- 3a = 18
a = 18 / -3
a = -6
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