The equations 2x+4y=8 and 8x+ay=32 represent the same straight line if a=
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Answer:
16
Step-by-step explanation:
When the coefficients of two straight lines are proportional they are called identical(same) straight lines.
Let us assume, the straight lines
ax + by + c = d
a2x + b2y + c2=d2 are identical then
a/a2=b/b2=c/c2=d/d2.
therefore we have a=2 ;a2=8 ;b=4,b2=?
b2=(8*4)/2
b2=16.
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