The sum of two numbers is 40. find the larger number if the product is twice the larger and four more than the smaller is a maximum

12 and 28, because

n + (2n + 4) = 40

3n + 4 = 40

3n = 36   n = 12

12x2 + 4 = 28

28 is the larger number.

c: lkllmn.

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an

y = 6x -3y -12

y +3y +12 = 6x

=> . x = { 2y / 3 +2 } this is equation of line in terms of x

=> . if line meets the x-axis the co-ordinates of meeting point would be ( x , 0 )

=> . x = 2 ( 0 ) / 3 + 2

=> . x = 2

so, the point is ( 2 , 0 )