Question

let p = {1,2,3,4} and Q = {0,3,5}
Find P-Q​

Answer 1

Answer:

P-Q=(1,2,4)

Step-by-step explanation:

p=1,2,3,4

q=0,3,5

p-q = (124

Answer 2

Answer:

Step-by-step explanation:

In △ABC,∠B=90  

o

 

∴ By Pythagoras theorem,

AC  

2

=AB  

2

+BC  

2

 

AC  

2

=6  

2

+8  

2

 

∴AC  

2

=36+64=100

∴AC=10cm

ii) In △ABC,∠B=90  

o

 

∴ By Pythagoras theorem,

AC  

2

=AB  

2

+BC  

2

 

13  

2

=AB  

2

+5  

2

 

∴AB  

2

=169−25=144

∴AB=12cm