Question

do this all to get brainleast

Answer 1

answer is .....
1.d...... becoz √13 has no end if we write in decimal form
2.a.......if we substitute we will get the answer
3.b .....if we substitute x and y in option we will get the answer
4.d
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Answer 2

1. d)√13

the root of 13 is not in a form of whole number

2. a)1

2x+3y=k where x=2 and y= -3

2*2+3*-1=k

4-3=k

k=1

3. b)x-y=-1

in(1,2) x=1 and y=2

by putting these values in the options

option b) satisfies these values

1-2=-1

4.d)1

only one line in common can pass through two distinct points

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