If anyone solve all of the problems, I will mark brillant and I will thank you. and I will follow u.....
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11 ) option (b) : 1
12 ) option (d) : a and b are not both zeroes
13 ) option (a) : x = 0 , y = 4
14 ) option (c) : both axies
15 ) option (d) : infinte many solution
16 ) option (a) : x = 5 , y= 0
17 ) option (b) : x + y = 0
18 ) option (a) : 2x + 2y = 14
19 ) option (d) : none of these
20 ) option (b) : (3 , 0)
21 ) option (c) : x = 0
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The given question is solved in the uploaded photos.
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