00:01
Hello, let's have a look at the question.
00:04
So we have 7y plus x is equal to 7 and y square minus x is equals to 1.
00:12
So now first of all let us write this as 7y is equals to 7 minus x so we can write y is equal to 7 minus x by 7.
00:25
Similarly here we have y square is equals to 1 plus x so y will be equals to under root 1 plus x and minus under root 1 plus x.
00:37
So now here first of all let us find the intersection points so that we can draw the graph here.
00:47
So here we have 7 minus x by 7 is equals to under root 1 plus x.
00:59
So here we will get 7 minus x is equal to 7 into under root 1 plus x.
00:59
So here we will get 7 minus x is equal to 7 into under root 1 plus x.
01:04
1 plus x.
01:06
So that means 7 minus x whole square is equal to 7 square and into 1 plus x.
01:15
So from here we will get x square minus 14x plus 49 is equals to 49 plus 49x.
01:27
So here we will have x square minus 14x plus 49x.
01:33
So here we will x is equals to 0 so this will get cancelled so from here we have x square minus 63 x is equals to 0 that means x into x minus 63 is equals to 0 so x will be 0 or 63 so let us put x is equals to 63 so then we will get 7 minus 63 by 7 is equal to 63 so here we will have minus 8 is equal to under root 1 minus 63 so this condition is false so let us put now x is equals to 0 so here we will have 7 minus 0 by 7 is equals to under root 1 plus 0 so here we have 1 is equal to 1 so this condition is true so now we have that under root 1 plus x is equal to minus under root 1 plus x as both are the values of y so here we can write 2 under root 1 plus x is equals to 0 so 1 plus x will be equals to 0 so here we have x is equals to minus 1 so we got x is equals to minus 1 x is equal to 0 and x is equals to 63 the y axis and the x x x x x here we have 1, 2, 3, 4, 5, 6, 7 and 8.
03:12
Similarly here we have minus 1, minus 2, minus 3, minus 4 and so on.
03:18
And here we have in y -axis 1, 2, 3, 4 and so on...