the value of a for which the system of equation ax + 10Y = 0 and 2x + 6Y =0 has non zero solution,is
A. 4
B.2
C.-4
D.-2
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Answer:
a=2
Step-by-step explanation:
ax+10y=0
2x+6y=0
a/2=10/6
6a=20
a=2
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